[Prevention of hepatitis B infection at nurseries].
Liu
X
X
Huang
Y
Y
D003428:Cross Infection / Q000517:prevention & control*; D005260:Female; D006509:Hepatitis B / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D007231:Infant, Newborn; D009725:Nurseries, Hospital; D011247:Pregnancy