The relationship of biological defense mechanisms to the antibiotic activity of penicillin; the modifying influence of penicillin on the histopathological pattern of pneumococcus infection in normal and debilitated rats and guinea pigs.
D000818:Animals; D000900:Anti-Bacterial Agents; D006168:Guinea Pigs; D010406:Penicillins / Q000494:pharmacology*; D011008:Pneumococcal Infections; D051381:Rats; D013296:Streptococcus pneumoniae
PENICILLIN/effects