Vitamin D status and outcomes for hospitalised older patients with COVID-19
Vadir Baktash, Tom Hosack, Nishil Patel, Shital Shah, Pirabakaran Kandiah, Koenraad Van den Abbeele, Amit K J Mandal, Constantinos G Missouris
Postgraduate Medical Journal Jul 2021, 97 (1149) 442-447; DOI: 10.1136/postgradmedj-2020-138712