Hepatitis B and the sex ratio at birth: a comparative analysis of four populations.
Chahnazarian
A
A
Blumberg
B S
BS
London
W T
WT
D002353:Carrier State; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006509:Hepatitis B / Q000453:epidemiology*; D006515:Hepatitis B virus / Q000502:physiology; D006801:Humans; D008297:Male; D012744:Sex Ratio