title: Penicillin and sulfonamides in the treatment of pneumonias.
authors.forename: A
authors.initials: A
authors.lastname: McMAHON
mesh_terms: D006801:Humans; D010406:Penicillins; D011014:Pneumonia / Q000628:therapy*; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides
chemical_list: D010406:Penicillins; D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide