The relationship of biological defense mechanisms to the antibiotic activity of penicillin; the modifying influence of penicillin on the pattern of pneumococcic infection and the immune response in the protein-depleted rat.
D000900:Anti-Bacterial Agents; D007239:Infections; D010406:Penicillins; D011008:Pneumococcal Infections; D013296:Streptococcus pneumoniae
PENICILLIN/activity; PNEUMOCOCCI/infection