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;

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;

Frailty prevalence and related factors in older adults from southern Brazil: A cross-sectional observational study Jarbas Melo Filho; Natália Boneti Moreira; Audrin Said Vojciechowski; Simone Biesek; Paulo Cesar Barauce Bento; Anna Raquel Silveira Gomes;