[Analysis on the status of hepatitis B vaccine rate in floating among one-year old children].
Sun
Ling-ying
LY
District Center for Disease Control and Prevention, Ningbo City, Zhejiang Province, Ningbo 315040, China.
D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines / Q000008:administration & dosage*; D006801:Humans; D007223:Infant
D017325:Hepatitis B Vaccines