Prevalence of chronic pain in Brazil: A systematic review and meta-analysis Bruno Vitor Martins Santiago; Ana Beatriz Garcez de Oliveira; Gabriel Machado Romão da Silva; Maxuel de Freitas da Silva; Pedro Ernandes Bergamo; Maud Parise; Nivaldo Ribeiro Villela;

Incidence of central nervous system metastases in patients with human epidermal growth factor receptor 2-positive metastatic breast cancer treated with trastuzumab: A meta-analysis Xue Bai; Xue Lin; Jin Song; Jia-han Chang; Li-li Han; Cibo Fan;

Gastrointestinal Manifestations and Associated Health Outcomes of COVID-19: A Brazilian Experience From the Largest South American Public Hospital Diogo Turiani Hourneaux de Moura; Igor Mendonça Proença; Thomas R. McCarty; Vitor Massaro Takamatsu Sagae; Igor Braga Ribeiro; Guilherme Henrique Peixoto de Oliveira; Gabriel Mayo Vieira de Souza; Bruno Salomão Hirsch; Maria Vitória Cury Vieira Scatimburgo; Christopher C. Thompson; Flair José Carrilho; Ivan Cecconello; Eduardo Guimarães Hourneaux de Moura;