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;

Targeted saliva metabolomics in Sjögren's syndrome Giovanna Piacenza Florezi; Felippe Pereira Barone; Mario Augusto Izidoro; José Maria Soares-Jr; Claudia Malheiros Coutinho-Camillo; Silvia Vanessa Lourenço;

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;