Digestive system activity in people of different ages. Texas Journal of Medical Science, [S. l.], v. 12, p. 68–71, 2022. DOI: 10.62480/tjms.2022.vol12.pp68-71. Disponível em: https://zienjournals.com/index.php/tjms/article/view/2356. Acesso em: 14 jan. 2026.