An "udder" milk safety test.
Ruth
L
L
D000818:Animals; D000900:Anti-Bacterial Agents / Q000032:analysis*; D002417:Cattle; D004350:Drug Residues / Q000032:analysis*; D007769:Lactams; D008892:Milk / Q000737:chemistry*; D014481:United States; D014486:United States Food and Drug Administration
D000900:Anti-Bacterial Agents; D007769:Lactams