[On the problem of penicillin permeability of the placental barrier in various stages of pregnancy].
D005260:Female; D006801:Humans; D008658:Inactivation, Metabolic; D010406:Penicillins / Q000378:metabolism*; D010539:Permeability; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy
D010406:Penicillins
PENICILLIN/metabolism; PLACENTA/physiology