Group B streptococci and pregnancy.
Levine
E M
EM
D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000382:microbiology; D011263:Pregnancy Trimester, Third; D013290:Streptococcal Infections / Q000382:microbiology; D013292:Streptococcus agalactiae / Q000302:isolation & purification