Questionable research methods.
Henderson
E D
ED
Guentzel
J
J
Kiser
W R
WR
D005260:Female; D005322:Premature Rupture of Fetal Membranes / Q000188:drug therapy*; D006801:Humans; D007752:Obstetric Labor, Premature; D010406:Penicillins / Q000627:therapeutic use*; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D013223:Statistics as Topic
D010406:Penicillins