Fei, Wenliang, Tingting Xiao, Xiaofan Li, and Feng Yang. “Knowledge about Hepatitis B and Influencing Factors Among the Residents in Qingdao: A Cross-Sectional Study”. The Journal of Infection in Developing Countries 17, no. 07 (July 27, 2023): 1030–1036. Accessed July 22, 2024. https://jidc.org/index.php/journal/article/view/37515808.