1.
Mahmood A, Rashid F, Hawkes D, Harrison WJ, CHIP Collaborative Group. Coronavirus in HIP Fractures CHIP 2: Is Vitamin D Deficiency Associated with Increased Mortality from COVID-19 Infections in A Hip Fracture Population?. EJMED [Internet]. 2021 Dec. 29 [cited 2022 Aug. 14];3(6):111-6. Available from: https://www.ej-med.org/index.php/ejmed/article/view/1159