Epidemiological profile of patients with non-variceal upper gastrointestinal bleeding secondary to peptic disease in a tertiary referral Brazilian hospital - Forgerini, Marcela; Urbano, Gustavo; Nadai, Tales Rubens de; Zapata-Cachafeiro, Maruxa; Kemp, Rafael; Mastroianni, Patricia de Carvalho (Arquivos de Gastroenterologia, 2021)