Effect of a single high dose of vitamin D3 on hospital length of dtay in patients with moderate to severe COVID-19: a randomized clinical trial

por Reis, Bruna Zavarize, Murai, Igor Hisashi, Fernandes, Alan Lins, Sales, Lucas Peixoto, Pinto, Ana Jéssica, Goessler, Karla Fabiana, Duran, Camila da Silva Cendon, Silva, Carla Baleeiro Rodrigues, Franco, André Silva, Macêdo, Marina Barguil, Dalmolin, Henrique Helson Herter, Baggio, Janaina, Balbi, Guilherme Guimarães Moreira, Antonangelo, Leila, Caparbo, Valéria de Falco, Gualano, Bruno, Pereira, Rosa Maria Rodrigues