Increasing rate of anti-SARS-CoV-2 antibodies between the first and second waves of COVID-19 in São Paulo, Brazil: A cross-sectional blood donors-based study Nayara Moya Rios do Vale; Flavia Roche Moreira Latini; Carine Prisco Arnoni; Rafael Martins Parreira; Manoel João Batista Castelo Girão; Afonso José Pereira Cortez; Tatiana Carvalho de Souza Bonetti;

Comprehensive diagnosis of advanced-stage breast cancer: exploring detection methods, molecular subtypes, and demographic influences ¿ A cross-sectional study Fernando Wladimir Silva Rivas; Rodrigo Gonçalves; Bruna Salani Mota; Isabel Cristina Esposito Sorpreso; Tatiana Natasha Toporcov; José Roberto Filassi; Edia di Tullio Lopes; Laura Raíssa Schio; Yann-Luc Patrick Comtesse; Edmund Chada Baracat; José Maria Soares Júnior;

The profile of adolescents assisted by the emergency department of a Brazilian private tertiary hospital Alberto Carame Helito; Ricardo Luiz Affonso Fonseca; Ana Helena D'Arcadia de Siqueira; Carol Machado Ferrer; Guilherme Ramos de Faria; Isabella Rocha Morais; Julio Cesar Arnoni Junior; Mateus de Paiva Breziniscki; Christian Valle Morinaga;