The diagnostic criteria for psychosomatic research-revised (DCPR-R) in a National China multicenter cohort of patients with irritable bowel syndrome and overlapping gastroesophageal reflux disease. - Li, Peicai; Tang, Yanping; Liu, Lei; Yang, Lei; Yang, Li; Sun, Zhongmei; Gong, Yanxia (BMC Gastroenterology, 2025)