Comparative effect of sulphonamide and penicillin in pneumonia.
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D010406:Penicillins; D011014:Pneumonia / Q000628:therapy*; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides
D010406:Penicillins; D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide