title: Further comments on growth promotion by antibiotics.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002645:Chickens; D005856:Germ-Free Life; D006128:Growth / Q000187:drug effects*; D013449:Sulfonamides / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D013449:Sulfonamides