Rising trends on folic acid test requests in a middle-income large academic hospital: A low-value care target for improvement Bruno Adler Maccagnan Pinheiro Besen; Fabio Augusto Rodrigues Gonçalves; João Vitor Ziroldo Lopes; Evelinda Marramom Trindade; Guilherme Henrique Hencklain Fonseca; Luiz Augusto Marcondes Fonseca; Nairo Massakazu Sumita; Arnaldo Lichtenstein; Leila Antonangelo;

National survey regarding obstetricians¿ perspective of obstetric emergencies in Brazil Vitória Espindola Leite Borges; Francisco Barbosa Jr; Fábio Fernandes Neves; Maria Rita de Souza Mesquita; Elaine Christine Dantas Moisés;

Prediction of intensive care admission and hospital mortality in COVID-19 patients using demographics and baseline laboratory data Vivian I. Avelino-Silva; Thiago J. Avelino-Silva; Marlon J.R. Aliberti; Juliana C. Ferreira; Vilson Cobello Junior; Katia R. Silva; Jose E. Pompeu; Leila Antonangelo; Marcello M. Magri; Tarcisio E.P. Barros Filho; Heraldo P. Souza; Esper G. Kallás;