School of Medicine Monthly Faculty Publications


March 2026

Ranked by Impact Factor

  • Each month we provide an overview of University of Missouri School of Medicine faculty-authored articles in medicine and related fields.
  • Veterinary medical publications are kept on a separate list.
  • Full impact factors cannot be displayed due to license agreements. Also, note that impact factors are not available for all publications.


AuthorsJournalArticleImpact FactorPlumXAltmetric
Haendel, M. A., Ahern, R., Bailey, K. B., Bakas, S., Barth-Jones, D. C., Bohl, A., Bian, J., Bourne, P. E., Boyles, R. R., Chute, C. G., Cimino, J. J., Grannis, S., Hartman, T. S., Holko, M., Hotaling, N. A., Housman, D. J., Hunter, L. E., Hurwitz, E., Phua, J., Kahn, M. G., Kuzmanovic, D., Lemieux, J., Loomba, J., Madlock-Brown, C. R., Mandl, K. D., Mazumder, R., McMurry, J. A., McMurry, A. J., Modi, Z. J., Moffitt, R. A., Mosa, A. S. M., Messina, N., O’Neil, S. T., Peterson, J. F., Pfaff, E. R., Phuong, J., Presskreischer, R., Sanders, L., Sarker, A., Thomson, A., Unertl, K. M., Walden, A., Weinstein, J.ScienceGoverning real-world health data as a public utility:The utility model offers a framework for ethical stewardship, patient empowerment, and distributed innovation45.XXX
PlumX
Ahmad, A. I., Garg, S., Jacobs, J., Ansari, Z., Al-Din, T. J., Almomani, A., Valencia, S., Vargo, J., Chatterjee, A., Siddiki, H., Hong, L., Nicolas, M. A., Miller, A., Shah, T.JAMA Internal MedicineHolding vs Continuing GLP-1/GIP Agonists Before Upper Endoscopy: The OCULUS Randomized Clinical Trial23.XXX
PlumX
Klinkmann, G., Reis, T., Ronco, C., Premuži?, V., Rimmelé, T., De Rosa, S., Ramírez-Guerrero, G., Joannidis, M., Marcello, M., Kashani, K., Prowle, J., Teixeira, J., Neyra, J. A., Milet, I., Baldwin, I., Husain-Syed, F., Gomez, H., Bottari, G., Guimaraes, G., See, E., Soranno, D. E., Fuhrman, D., Lorenzin, A., Zarbock, A., Towani, A., Whaley-Connell, A.Intensive Care MedicineReply to authorÂ’s reply: “Critical care management of the patient with pharmaceutical poisoning”21.XXX
PlumX
Zhou, T., Zhang, B., Zhang, D., Jhaveri, R., Chen, J., Becich, M. J., Castro, L., Chen, Y., Chilukuri, N., Herring, S. J., Lei, Y., Li, L., Lu, Y., Hornig, M., Khalsa, A. S., Liebovitz, D., Mosa, A. S. M., Taylor, B. W., Tedla, Y. G., Thodeson, D., Tong, J., Wu, Q., Forrest, C. B., Chen, Y.The Journal of infectionPre-COVID-19 body mass index and post-acute cardiovascular, gastrointestinal, and neuropsychiatric outcomes among children and young adults with SARS-CoV-2 infection: An EHR-based cohort study from the RECOVER Initiative11.XXX
PlumX
Mahjoubnia, A., Cai, D., Esfahany, S. N., Wu, Y., Zhao, W., Jayathilake, M., Zhang, H., Wan, C., Chen, S. Y., Lin, J.Acta Biomaterialia4D printing of a multi-transitioning shape memory polymer with a recovery onset towards precision endovascular embolization9.XXX
PlumX
Abdelhady, A. W., Winuthayanon, S., Ortega, M. S., Kelleher, A. M., Spencer, T. E.Proceedings of the National Academy of Sciences of the United States of AmericaDirected differentiation of bovine trophoblast stem cells: A useful in vitro model for placenta development9.XXX
PlumX
Gamage, V. A., Usovsky, M., Mahmood, A., De Meyer, E., Dhital, B., Meinhardt, C. G., Song, Q., Beamer, L. J., Scaboo, A. M., Mitchum, M. G.New PhytologistGmSNAP14: a key contributor to soybean cyst nematode resistance in soybean8.XXX
PlumX
Saghazadeh, A., Dolatshahi, M., Mohammadi, S., Kassani, S., Naghashzadeh, M., Ippolito, J., Sirlin, C., Mittendorfer, B., Brier, M., Schindler, S., Morris, J., Mou, D., Soudah, H., Benzinger, T., Raji, C.Obesity ReviewsA Systematic Review and Meta-Analysis of Semaglutide Effects on Adipose Tissue and Emerging Effects on Brain and Cognition7.XXX
PlumX
Opie, J. E., Waters, E., Duschinsky, R., Hammarlund, M., Madigan, S., Foster, S., Forslund, T., Thompson, R., Steele, H., Steele, M., Roisman, G. I., Groh, A. M., Fonagy, P., Dagan, O., Talia, A., Rossen, L., Sroufe, L. A., Tronick, E., Fearon, R. M. P., Granqvist, P., Sagi-Schwartz, A., Lieberman, A., Carlson, E., Zimmermann, P., Dozier, M., Wazana, A., Belsky, J., Shaver, P. R., Cicchetti, D., Bosmans, G., Schuengel, C., Grossmann, K., Cyr, C., Dubois-Comtois, K., Verhage, M., Tharner, A., Oosterman, M., Allen, B., Crowell, J. A., Vrti?ka, P., Woolgar, M., Raby, K. L., Galbally, M., Holmes, J., Marvin, R. S., van Ijzendoorn, M. H., Bakermans-Kranenburg, M. J.Journal of Child Psychology and Psychiatry and Allied DisciplinesPractitioner Review: Clinical insights from attachment theory and research for professionals working with young children and their families7.XXX
PlumX
Nuraini, N., Appling, C., Ferguson, B. J., Singh, A., Gunn, A. M., Bhat, R., Schraml, F., Braden, B. B., Beversdorf, D. Q.Autism ResearchReply to Booij, Geurts and Schalbroeck5.XXX
PlumX
Janes, M. J., Zhao, L., Bruton, L. G., Schmidt, A. A., Parker, J. M., Wakefield, M. R., Fang, Y.Critical Reviews in Oncology/HematologyRewiring immunity: CAR-T cells as a paradigm shift in hematologic oncology5.XXX
PlumX
Zang, S., Ban, Z., Hou, L., Zhang, Y., Wang, Y., Zhang, Y., Wang, C., Li, D., An, F., Liu, Y., Geng, Y., Gao, Y.Journal of ethnopharmacologyChaihu-Baishao confers antidepressant effects in CSDS mice by ameliorating hippocampal synaptic plasticity impairment via blocking ?2?-1-NR2B interaction5.XXX
PlumX
Dellazizzo Toth, T., Bond, S., Saxena, S.CellsThe Calcium Connection: Explaining Motor Neuron Vulnerability in ALS5.XXX
PlumX
Adepoju, A., Rabbani, E., Brickey, P., Vieira-Potter, V., Dhillon, J.NutrientsAlmond Consumption Improves Inflammatory Profiles Independent of Weight Change: A 6-Week Randomized Controlled Trial in Adults with Obesity5.XXX
PlumX
Verma, M., Arguc, F. N., Malik, M. T., Singh, P., Dhakal, S., Chan, Y. O., Immadi, M. S., Dahal, S., Ulker, V., Tarique, M., Batra, L., Yolcu, E. S., Shirwan, H., Joshi, T.BiomoleculesElucidating the Mechanisms of SA–4–1BBL-Mediated Cancer Immunoprevention Through Advanced Informatics Approaches4.XXX
PlumX
Wycoff, A. M., Trull, T. J.Current Addiction ReportsAffective Factors in the Co-Occurrence of Personality Disorders and Substance Use Disorders4.XXX
PlumX
McElroy, J. A., Everett, K. D.CancersComparing Sexual and Gender Minority and Cisgender Heterosexual MissouriansÂ’ Breast and Colorectal Cancer Screening Prevalence: The 2022 Missouri County-Level Study4.XXX
PlumX
Sheng, Y., Wujcik, H. E., Wakefield, M. R., Fang, Y.CancersPoseidon’s Trident: “Divine” Intervention in Cervical Cancer Through Chemoradiation, Immunotherapy, and Antibody–Drug Conjugates4.XXX
PlumX
McElroy, J. A., Thompson, W. C., Swenson, A.Primary Care - Clinics in Office PracticeMental Health at the Margins: Sexual and Gender Minority Needs in Clinical Care4.XXX
PlumX
Li, B., Jackson, S. A., Stepniak, A., Birikorang, P., Menendez, D., Edinger, R., Pun, M., Laymon, C. M., Anderson, C. J., Kohanbash, G., Edwards, W. B.ACS Omega[64Cu]Cu-Labeled ?CD11b Diabody as a Novel PET Tracer for the Detection of Immunosuppression in Glioblastoma4.XXX
PlumX
Powell, K. R., Farmer, M. S., Popescu, M., Mehr, D. R., Alexander, G. L.International Journal of Medical InformaticsCharacterizing nursing home care team communication via text messaging: A social network analysis4.XXX
PlumX
Staudenmayer, K. L., Barmparas, G., Barnes, S. L., Biffl, W. L., Cohen, M. J., Davis, K. A., de Moya, M., Goldberg, A. J., Joseph, B., Martin, R. S., Murphy, P. B., Rizzo, A. G., Rotondo, M., Savage, S. A., Smith, J. W., Todd, S. R., Zarzaur, B. L., Bulger, E.Journal of Trauma and Acute Care SurgeryThe current state of acute care surgery workforce and practice models: A joint statement by the American Association for the Surgery of Trauma, the American College of Surgeons Committee on Trauma, the Eastern Association for the Surgery of Trauma, and the Western Trauma Association3.XXX
PlumX
Qiao, Z., Xu, J., Gallazzi, F., Wang, J., Smith, C. J., Miao, Y.ACS Pharmacology and Translational ScienceEffect of a Negatively Charged Amino Acid Linker on the Tumor-Targeting Properties of [177Lu]Lu-Labeled 4-p-(Tolyl)butyric Acid-Conjugated Alpha-Melanocyte-Stimulating Hormone Peptides3.XXX
PlumX
Kalagotla, S. G., Wang, F., Datla, K., Ferguson, B., Beversdorf, D. Q.IEEE AccessToward a Smartwatch-Based System for Automated Social Interaction Monitoring in Autism3.XXX
PlumX
Yun, S., Kim, S. L., Jeong, E. M., Kang, D. H., Kim, K. C., Kim, T. H., Young, S. L., Lessey, B. A., Yoo, J. Y., Jeong, J. W.Molecular Human ReproductionAberrant progesterone receptor (PGR) expression is associated with estrogen receptor 1 (ESR1) expression in the endometrium from infertile women with endometriosis3.XXX
PlumX
Cortina, C. S., Molina, G., Witt, E. E., Myers, S. P., Obeng-Gyasi, S., Ju, T., Rosenberg, S. M., Fackche, N., Bayard, S., Kangas-Dick, A., Bea, V. J., Willis, A., Woriax, H., Walker, J., Torres, M., Rodriguez-Traver, L., Newman, L., Lipshy, K., Kwon, D., Kong, A. L., Kitano, M., Joseph, N., Huyser, M., Eguia, E., Cheng, C., Alvarado, R.Annals of Surgical OncologyASO Education and Training: Taking the Next Step in Surgical Oncology Health Disparities Research: Identifying Root Causes and Targets for Actionable Change3.XXX
PlumX
Yilmaz, G., Singha, S. K., Savaliya, B., Abdelfattah, A., Elsekaily, W., Xu, X., Zhang, Y., Hanna, C., Hogan, M. C., Chade, A. R., Eirin, A., Irazabal, M. V.American Journal of Physiology - Renal PhysiologyVascular transcriptional and metabolic changes precede progressive intrarenal microvascular rarefaction in autosomal dominant polycystic kidney disease3.XXX
PlumX
Deboo, A., Fox, R., Hammitt, K. M., Frantsve-Hawley, J., Baker, M. C., Danielides, S., De Sousa, E., Goodman, B. P., King, J. K., Siva, C., et al.,Arthritis Care and ResearchClinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease3.XXX
PlumX
Oberoi, V., Campbell, J. O., Akpabli-Tsigbe, N., Imran, F., Bond, S., Tenlep, S. N., Brennan, C. D., Wang, M., Saxena, S., Moss, K. R., Li, D. P., Arnold, W. D., Castoro, R.Journal of the Peripheral Nervous SystemBehavioral Thermoceptive Responses and Morphologic Correlates in Mouse Models of CMT1A, HNPP, and Aging3.XXX
PlumX
Sumino, K., D'Souza, A., Tapp, H., Francisco, B., Krings, J. G., Nash, A., Gardner, D. D., Joo, S., Tucker, J., Quinones, T., Zulich, A., Tueme, J., Clover, A., Li, J.Respiratory medicineDevelopment and feasibility of provider implementation tools for anti-inflammatory reliever therapy in community asthma practices3.XXX
PlumX
Kwok, C. S., Borovac, J. A., Will, M., Schwarz, K., Satchithananda, D., Balacumaraswami, L., Ford, D., Loke, Y. K., Lip, G. Y. H., Qureshi, A. I.European Journal of Cardio-thoracic SurgeryHospitalizations During the 30-Day Period Preceding an Admission with Aortic Dissection3.XXX
PlumX
Oh, H., Middleton, K. M., Valiathan, M., Duren, D. L., McNulty, K. P., McNamara, J. A., Jr., Hans, M., Sherwood, R. J.,Am J Orthod Dentofacial Orthop Craniofacial growth percentile curves: A clinical tool from the Craniofacial Growth Consortium Study3.XXX
PlumX
Arciga, B. M., Katepalli, A., Natesh, N. S., Teixeiro, E., Kaifi, J. T., Rachagani, S.CarcinogenesisFunctional significance of the aryl hydrocarbon receptor in oncogenic signaling pathways2.XXX
PlumX
Hoover Browne, C., Han, S. W., Farman, G. P., Smith, J. E., Kolb, J., Gohlke, J., Langlais, P. R., Tonino, P., Methawasin, M., van der Pijl, R., Granzier, H.The Journal of general physiologyTitin's P-zone domains A164-167 are essential for thick filament structural arrangement2.XXX
PlumX
Qureshi, A. I., Ranjini, N. J., Huang, Y., Tolba, H., Golzy, M., Lakhani, P., Roy, A., Cassarly, C. N., Martin, R. H., Powers, W. J.Frontiers in NeurologyExtracranial vertebral artery stenosis patients that may benefit from stent placement: post-hoc analysis from randomized controlled trials2.XXX
PlumX
Hasson, D. C., Clover-Brown, I., Zepeda-Orozco, D., Pascal, E., Martin, S. D., Krallman, K., Kempton, K. M., Bennett, A., Muszynski, J., Lutmer, J., Sargel, C., Devarajan, P., Standage, S. W., Alder, M. N., Goldstein, S. L.Critical Care ExplorationsUrine Olfactomedin 4 Predicts Furosemide Response and Kidney Replacement Therapy in Critically Ill Children2.XXX
PlumX
Narindrarangkura, P., Dejhansathit, S., Khan, U., Day, M., Boren, S. A., Simoes, E. J., Kim, M. S.JMIR DiabetesContent Validation of an Electronic Health Record–Based Diabetes Self-Management Support Tool for Older Adults With Type 2 Diabetes: Qualitative Study2.XXX
PlumX
Krauser, C., Simões, E. J., Schmaltz, C., Ramos, L. R., Porto, E. B. S., Damiani, L. P., Demarzo, M.SSM - Mental HealthImplementation and effectiveness of Mindfulness-Based Cognitive Therapy for mild depression in primary care: Protocol for a stepped-wedge cluster RCT2.XXX
PlumX
Rucinski, K., Crecelius, C. R., Nuelle, C. W., Stannard, J. P., Cook, J. L.Journal of Occupational RehabilitationReturn to Work Following Osteochondral Allograft Transplantation in the Knee2.XXX
PlumX
Johnson, K. M., Grady, J., Kellermayer, R., Winter, H. S., Tabibian, J. H., Buness, C. W., Fischer, R., Shah, A., Dulai, P. S., Rangnekar, A. S., Alrabadi, L., Shah, S. B., Holtmann, G., Raisanen, L., Lewindon, P., Ali, A. H.Expert Review of Gastroenterology and HepatologyOral vancomycin for primary sclerosing cholangitis and associated inflammatory bowel disease–paving a path forward2.XXX
PlumX
Dwivedi, A. K.PeerJStep-by-step guide and checklists for selecting and conducting an evidence synthesis study using a framework for approaches and methods in evidence synthesis (FRAMES)2.XXX
PlumX
Ahmed, S., Dwivedi, A. K.PeerJAdjusted effect size, area under the curve, and c-statistic for evaluating the association between uric acid and mortality in US adults using unweighted and survey-weighted regression, propensity, and prognostic score2.XXX
PlumX
Stilley, J. A. W., Benton, M., Douglas, A. E., Kapp, J. M.JMIR Formative ResearchBiosurveillance and the Opioid Crisis in Emergency Medicine: Qualitative Study of Physician Perspectives2.XXX
PlumX
Powell, W. J. B., Mazzotti, D. R., Herrmann, S. D., Davis, A. M., Mittendorfer, B., Bruce, J., Song, X., Waitman, L. R., et al,Clinical ObesityComparison of Semaglutide and Lifestyle Counselling for Weight Loss Using Multi-Site Electronic Health Records2.XXX
PlumX
Nuelle, J. A. V., Rizvanovi?, B. F., Golden, A., Bozynski, C. C., Stoker, A., Cook, J. L.Journal of Hand SurgeryMissouri Osteochondral Preservation System for Nerve Preservation of Nerve Isografts Improves Functional Recovery After Peripheral Nerve Reconstruction With Polyethylene Glycol-Mediated Fusion2.XXX
PlumX
Dwivedi, A. K., Ahmed, S., Dubey, P.Journal of Investigative MedicineEvidence-based biostatistics and value-based biostatistics practices in biomedical research: Application to evaluating the association between phthalate metabolites and sex hormones in US male adults2.XXX
PlumX
Den, J., Nelson, N., Vaghjiani, R., Tyler, D., Klimberg, V. S.Breast JournalRising Breast Cancer Incidence and Poor Outcomes in Young Women: A Retrospective Study2.XXX
PlumX
Fortner, J. D., Sellers, K. C., Middleton, K. M., Holliday, C. M.Journal of AnatomyBiomechanics of the intramandibular joint in Alligator mississippiensis1.XXX
PlumX
Wally, M. K., Fisher, T., Chintalapudi, N., Pollack, R., Mir, H., Jang, Y., Gaski, G., Crist, B. D., Reid, K., Bergin, P., Chen, A., Mitchell, P., Carroll, E., Bonvillain, K., Karunakar, M. A.Journal of orthopaedic traumaMaternal and Fetal Perioperative Outcomes After Pelvic Ring or Acetabulum Fracture in Gravid Patients1.XXX
PlumX
Abdessamad, H., Baroody, C., Pogorzelski, K., Jamaleddine, W., Kitonga, M. S., Omar, H., Amankrah, S. A., Allen-Brown, K., Dandachi, D.HIV/AIDS - Research and Palliative CareAlternative Administration of Antiretroviral Therapy in People with HIV Unable to Swallow: A Scoping Review1.XXX
PlumX
Mansour, O. Y., Ezzeldin, M., Nour, M., Hassan, A., Zaidi, S. F., Jumaa, M. A., Aladham, F., Alnaami, I., Al-Jehani, H. M., Alshamy, A., Alghamdi, F., Ozdemir, A. O., Hassan, T., Eldeen, H. Z., Hamadani, H., Hussain, M. S., Sharifipour, E., Gurkas, E., Alaa Habib, M., Hammami, N., Salah, H., Hassan, F., Hussain, S. I., Imam, Y., John, S., Qureshi, A., El Khamlichi, A., Mahmoud, A., Ossama, A., Mahmoud, M., Mohamed, E. S., Nasr, N., Rashid, U., Said, S., Saied, A., Saqqur, M., Sobh, K., Wasay, M., Ghorbani, M., Pandian, J., Siddiqui, A., Shuaib, A.Neurological ResearchMENA-adapted guidelines for acute ischemic stroke management: a regional approach to global evidence1.XXX
PlumX
Thayer, B., Reese, M. K., Nelson, T. B., Bran, A. A., Steuber, T. D.JACCP Journal of the American College of Clinical PharmacyBuilding a Culture of Stewardship: The Role of Infectious Diseases Pharmacists in Promoting Documentation Across Pharmacy Teams1.XXX
PlumX
Navarro, I., Vientós-Plotts, A., Masseau, I., Dwivedi, A., Reinero, C.American Journal of Veterinary ResearchComparison of sedated respiratory-gated computed tomography to anesthetized inspiratory-expiratory breathhold computed tomography in dogs with respiratory disease1.XXX
PlumX
Schoff, K., Syed Ahmad, Z., Kothari, S., Gifft, K., Wang, J., Donigian, C., Le, Q., Karuparthi, P. R., Chan, A., Bavishi, C., Kumar, A., Hirai, T.Minerva cardiology and angiologyA prospective, randomized comparison of workhorse guidewires for bifurcation percutaneous coronary intervention1.XXX
PlumX
Saavedra, A. D., Karnia, J., Leach, S. B., Petroski, G. F., Nafe, L., McManamey, A. K., Wiggen, K. E.Journal of Veterinary CardiologyEffect of non-ionic contrast media on invasive pressure measurements during minimally invasive occlusion of patent ductus arteriosus and balloon valvuloplasty for valvular pulmonic stenosis in dogs1.XXX
PlumX
Mangalgi, S., Shah, S.Hemodialysis InternationalDialysis and Pregnancy: Optimizing Therapy for Best Maternal and Fetal Outcomes1.XXX
PlumX
Bakjaji, S., Lahoti, A., Hoffman, R. P., Mamilly, L.Journal of Pediatric Endocrinology and MetabolismThe prevalence of autoimmune diseases in antibody negative type 1 diabetes mellitus1.XXX
PlumX
Barnes, H., Sarangi, A.Home Health Care Management and PracticeA Scoping Review of Spouse and Adult-Child Dementia Caregiver Burden: Who Bears the Brunt of the Burden?0.XXX
PlumX
Nag, U., Hatala, N., Sniatkewicz, D., Vogel, T. R., Cheung, S., Bath, J.Journal of Vascular Surgery Cases, Innovations and TechniquesHow I do it: Zone 0 arch treatment with laser in situ fenestrated endograft repair0.XXX
PlumX
Allen, A. J., Gilbert, O. E., Quinsey, C. S.Interdisciplinary Neurosurgery: Advanced Techniques and Case ManagementLiliequist's membrane anatomical variations impact the probability of successful endoscopic third ventriculostomy: discussion of surgical techniques with novel illustrations and 3D animation0.XXX
PlumX
Ibrahim, E., Cheema, Z., Walaliyadda, P., Ali Hashim, M. M., Elbanan, M., Khan, U.AACE Endocrinology and DiabetesSarcoidosis-Induced Hypercalcemia in a Patient With Multiple Endocrine Neoplasia Type 2A (MEN2A) Syndrome Harboring the C609Y REarranged During Transfection (RET) MutationNone
PlumX
Parks, A., Hallett, J., Niver, A., Zhang, R., Bruza, P., Pogue, B. W.Biophotonics DiscoveryReview of Cherenkov imaging technology advances in radiotherapy: single-photon-level imaging in high ambient light and radiation backgroundsNone
PlumX
Rizvanovi?, B. F., Jenkins, D., Mueller, M. K., Ferguson, A. M., Nuelle, J. A. V.HandPredictive Modeling of Sensory Recovery Following Peripheral Nerve Injury: Evaluating the Combined Influence of Surgical, Biological, and Social FactorsNone
PlumX
Purdom, K. E., Watson, A. J., Becevic, M., Clark, J. T., Brodell, R. T., Nahar, V. K., Huynh, T. N.JAAD ReviewsA review of pediatric dermatology Extension for Community Healthcare Outcomes programs: Educational, diagnostic, and implementation outcomesNone
PlumX
Helle, A. C., Rizvanovi?, B., Rucinski, K., Portis, S. M.Journal of Orthopaedic ReportsScreening older adults for alcohol use in orthopaedic care: Healthcare team perspectives, current practices, and barriersNone
PlumX
Virdi, G., Zhang, E., Thomas, M., Elkeeb, A.Retinal Cases and Brief ReportsAtypical Panuveitis in Disseminated CoccidioidomycosisNone
PlumX
Legere, B., Mazuru, D., Cutler, K.Visual Journal of Emergency MedicineSeven-day-old with Unilateral ProptosisNone
PlumX