@article{moraes_friedman_wawrzeniak_marques_nagel_lisboa_czepielewski_2015,  title={Vitamin D deficiency is independently associated with mortality among
                    critically ill patients},  volume={70},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2015(05)04},  DOI={10.6061/clinics/2015(05)04},  number={5},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Moraes, Rafael Barberena and Friedman, Gilberto and Wawrzeniak, Iuri Christmann and Marques, Leonardo S. and Nagel, Fabiano Márcio and Lisboa, Thiago Costa and Czepielewski, Mauro Antonio},  year={2015},  month={May},  pages={326–332} }