New antibiotics; chloramphenicol, aureomycin, terramycin and neomycin.
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D002701:Chloramphenicol; D002751:Chlortetracycline; D003879:Dermatologic Agents; D009355:Neomycin; D010118:Oxytetracycline
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D002701:Chloramphenicol; D009355:Neomycin; D002751:Chlortetracycline; D010118:Oxytetracycline
ANTIBIOTICS