Gastroesophageal reflux disease and risk for bipolar disorder: a nationwide population-based study. oleh Wan-Shan Lin, Li-Yu Hu, Chia-Jen Liu, Chih-Chao Hsu, Cheng-Che Shen, Yen-Po Wang, Yu-Wen Hu, Chia-Fen Tsai, Chiu-Mei Yeh, Pan-Ming Chen, Tung-Ping Su, Tzeng-Ji Chen, Ti Lu