Vilela MAC, Caetano JA, Martins RDNG, Pereira Filho ER, Pilotto MR, Carvalho EF da S, Martins GC da SC, Lopes L de M, Reck DA, Ramos FG. Investigation of hypovitaminosis D in patients infected with SARS-CoV-2 and its relationship with clinical worsening: a cross-sectional observational retrospective clinical study. IJN [Internet]. 2023 Jan. 27 [cited 2024 May 4];15(4). Available from: https://ijn.zotarellifilhoscientificworks.com/index.php/ijn/article/view/258