Long-term efficacy of plasma-derived hepatitis B vaccine among Chinese children: a 12-year follow-up study.
Liao
Su-Su
SS
Li
Rong-Cheng
RC
Li
Hui
H
Yang
Jin-Ye
JY
Zeng
Xian-Jia
XJ
Gong
Jian
J
Wang
Shu-Sheng
SS
Li
Yan-Ping
YP
Zhang
Kong-Lai
KL