WALELENG, B J; TAKAENDENGAN, D; W, N Tendean. Gastroesophageal Reflux Disease in Push Up and Sit Up Exercise. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, [S. l.], v. 8, n. 1, p. 10–15, 2007. DOI: 10.24871/81200710-15. Disponível em: https://www.ina-jghe.com/index.php/jghe/article/view/181. Acesso em: 17 oct. 2026.