20.10.2020: O tratamento com vitamina D está associado à redução do risco de mortalidade em pacientes com COVID-19: um estudo observacional multicêntrico transversal * Vitamin D Treatment Is Associated with Reduced Risk of Mortality in Patients with COVID-19: A Cross-Sectional Multi-Centre Observational
Background: The 2019 novel coronavirus disease (Covid-19) worldwide pandemic has posed the most substantial and severe public health issue for several generatio