Predecessors of penicillin.
SCHWEISHEIMER
W
W
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D006801:Humans; D010406:Penicillins / Q000266:history*
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D010406:Penicillins