Hsu, HYHYHsuChang, MHMHChangLiaw, SHSHLiawNi, YHYHNiChen, HL.HL.Chen2011-02-112018-07-112011-02-112018-07-111999-07http://ntur.lib.ntu.edu.tw//handle/246246/222309en-US[SDGs]SDG3Changes of hepatitis B surface variants in carrier children before and after universal vaccination in Taiwan.journal article