[Prevalence of Rumination Syndrome: Experience in Three Countries of the Working Group on Brain-Gut Disorders of the Latin American Society of Pediatric Gastroenterology, Hepatology and Nutrition (LASPGHAN)]

[反刍综合征的患病率：拉丁美洲儿科胃肠病学、肝病学和营养学会（LASPGHAN）脑肠疾病工作组在三个国家的经验]