Acute and Critical Care10.4266/acc.2021.006052021364300-307Association of vitamin D deficiency with COVID-19 severity and mortality in Iranian people: a prospective observational studyAlireza Fatemi, Seyed Hossein Ardehali, Ghazaleh Eslamian, Morvarid Noormohammadi, Shirin Malek,,
Proceedings of the Nutrition Society10.1017/s0029665121002482202180OCE3An observational study of the association of vitamin D status and other patient characteristics with COVID-19 severity and mortalityM. Connolly, M. Youssef, A. O'Shea, A. Al Lawati, S.I. Shah, S. Walsh, D. McCartney, J. Faul
Frontiers in Nutrition10.3389/fnut.2022.93425820229Vitamin D 25OH Deficiency and Mortality in Moderate to Severe COVID-19: A Multi-Center Prospective Observational StudyLaura Bogliolo, Emanuele Cereda, Catherine Klersy, Ludovico De Stefano, Federica Lobascio, Sara Masi, Silvia Crotti, Serena Bugatti, Carlomaurizio Montecucco, Stefania Demontis, Annalisa Mascheroni, Nadia Cerutti, Alberto Malesci, Salvatore Corrao, Riccardo Caccialanza,
The Journal of Nutrition10.1093/jn/nxaa3322020151198-103Vitamin D Deficiency Is Associated with COVID-19 Incidence and Disease Severity in Chinese PeopleXia Luo, Qing Liao, Ying Shen, Huijun Li, Liming Cheng,
10.21203/ D Deficiency is Associated with Increased COVID-19 Severity: Prospective Screening of At-Risk Groups is Medically IndicatedSamuel H Pepkowitz, Calvin J Hobel, James M Mirocha MS, Kimia.Sobhani, Carissa A Huynh BS, Harneet Jawanda, Wohaib Hasan,
Health Science Reports10.1002/hsr2.569202253Association of vitamin D status with COVID‐19 disease severity in pediatric patients: A retrospective observational studySolmaz Heidari, Shooka Mohammadi, Mohammadreza Fathi, Shayan Cigary, Mohsen Alisamir, Mohammadreza Mirkarimi, Majid Aminzadeh,,
The Journal of Nutrition10.1093/jn/nxaa46020211513742-743Corrigendum for Luo et al. Vitamin D Deficiency Is Inversely Associated with COVID-19 Incidence and Disease Severity in Chinese People. J Nutr 2020;151(1): 98–103.,
Open Forum Infectious Diseases10.1093/ofid/ofac073202294Association of Nonalcoholic Fatty Liver Disease With COVID-19 Severity and Pulmonary Thrombosis: CovidFAT, a Prospective, Observational Cohort StudyNina Vrsaljko, Lara Samadan, Klaudija Viskovic, Armin Mehmedović, Jelena Budimir, Adriana Vince, Neven Papic,,
Proceedings of the Nutrition Society10.1017/s0029665122000416202281OCE1A systematic review investigating the risk of COVID-19 severity and mortality associated with vitamin D sufficiency and deficiency within the adult populationR. Mahmood, S. McLaren
10.21203/ related to COVID-19 severity and mortality based on comparison between Henan and Zhejiang: an observational studyWangquan Ji, Ruonan Liang, Peiyu Zhu, Haiyan Yang, Shuaiyin Chen, Weiguo Zhang, Yuefei Jin, Guangcai Duan,