Shift work is significantly and positively associated with possible gastro-esophageal reflux disease: A meta-analysis study oleh Hsiang-Tai Chen, Hung-Yi Chuang, Hung-Yi Chuang, Tsung-Yu Hsieh, Pei-Shan Wu, Fang-Jiun Lin, Huan-Chih Huang, Chen-Cheng Yang, Chen-Cheng Yang, Chen-Cheng Yang, Chao-Hung Kuo