title: ABSENCE OF LETHAL EFFECT OF PENICILLIN IN GERM-FREE GUINEA PIGS.
mesh_terms: D005856:Germ-Free Life; D006168:Guinea Pigs; D010406:Penicillins / Q000009:adverse effects* / Q000633:toxicity*; D012106:Research; D014116:Toxicology
chemical_list: D010406:Penicillins
keywords: EXPERIMENTAL LAB STUDY; GERM-FREE LIFE; GUINEA PIGS; PENICILLIN TOXICOLOGY; TOXICOLOGIC REPORT