DEMIRBAŞ, F.; ÇALTEPE, G.; ABBASGULIYEV, H.; KALAYCI, A. G. Fecal calprotectin levels used as a noninvasive method for screening for chronic gastritis in pediatric patients. A descriptive study. São Paulo Medical Journal, [S. l.], v. 139, n. 6, p. 564–569, 2021. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/544. Acesso em: 9 mar. 2025.