[Determination of penicillin in samples of milk obtained in Mexico City].
D000818:Animals; D005506:Food Contamination; D066298:In Vitro Techniques; D008800:Mexico; D008892:Milk; D010406:Penicillins
D010406:Penicillins
Determinación de penicilina en muestras de leche obtenidas en la Ciudad de México.