Preoperative Vitamin D Deficiency is a Risk Factor for Postthyroidectomy Hypoparathyroidism: A Systematic Review and Meta-Analysis of Observational Studies
Konstantina D Vaitsi, Panagiotis Anagnostis, Stavroula Veneti, Theodosios S Papavramidis, Dimitrios G Goulis, The Journal of Clinical Endocrinology & Metabolism, Volume 106, Issue 4, April 2021, Pages 1209–1224,
https://doi.org/10.1210/clinem/dgab039

Vaccination for Coronavirus Disease 2019 (COVID-19) and Relationship to Osteoporosis Care: Current Evidence and Suggested Approaches.
Tsourdi, E., Yu, E.W., Jan de Beur, S.M. and Drake, M.T. (2021), J Bone Miner Res, 36: 1042-1047.
https://doi.org/10.1002/jbmr.4304