Trend in the incidence of hepatitis A in mainland China from 2004 to 2017: a joinpoint regression analysis. - Li, Yuan-Sheng; Zhang, Bei-Bei; Zhang, Xi; Fan, Song; Fei, Li-Ping; Yang, Chao; Ren, Ning-Jun; Li, Xiang; Luo, Ya-Mei; Zhang, Jun-Hui (BMC Infectious Diseases, 2022)