Simple ultrasensitive test for detecting penicillin in milk.
D000818:Animals; D001407:Bacillus / Q000254:growth & development; D002417:Cattle; D005260:Female; D005612:Freeze Drying; D008892:Milk / Q000032:analysis*; D010406:Penicillins / Q000032:analysis*; D013778:Tetrazolium Salts / Q000494:pharmacology
D010406:Penicillins; D013778:Tetrazolium Salts