The effectiveness of antibacterial drugs upon the gram-negative intestinal flora.
D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D000904:Antibiotics, Antitubercular; D001419:Bacteria; D001432:Bacteriology; D006801:Humans; D007422:Intestines / Q000382:microbiology*; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000494:pharmacology*
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
ANTIBIOTICS/effects; BACTERIA; INTESTINES/bacteriology; SULFONAMIDES/effects