author = {Lu, Chun-Yi. and Chang, Mei-Hwei.}, title = {{Hepatitis B immunization: Is a booster necessary?}}, journal ={Hepatitis B Annual}, volume ={2}, number ={1}, pages = {56-73}, year = {2005}, abstract ={}, URL ={https://www.hepatitisbannual.org/article.asp?issn=0972-9747;year=2005;volume=2;issue=1;spage=56;epage=73;aulast=Lu;t=6}, eprint ={https://www.hepatitisbannual.org/article.asp?issn=0972-9747;year=2005;volume=2;issue=1;spage=56;epage=73;aulast=Lu;t=6} }