title: Comparison of two analytical methods for penicillin residues in milk.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D002417:Cattle; D002498:Centrifugation; D005260:Female; D007774:Lactation; D008321:Mammary Glands, Animal / Q000378:metabolism; D008414:Mastitis, Bovine / Q000188:drug therapy; D008722:Methods; D008892:Milk / Q000032:analysis* / Q000378:metabolism; D010402:Penicillin G Procaine / Q000378:metabolism / Q000627:therapeutic use; D010406:Penicillins / Q000032:analysis*; D011247:Pregnancy
chemical_list: D010406:Penicillins; D010402:Penicillin G Procaine