title: Opiates and intestinal secretion.
mesh_terms: D003061:Codeine / Q000494:pharmacology* / Q000627:therapeutic use; D003967:Diarrhea / Q000188:drug therapy*; D006801:Humans; D007419:Intestinal Secretions / Q000187:drug effects*; D007421:Intestine, Small; D009892:Opium / Q000494:pharmacology*
chemical_list: D009892:Opium; D003061:Codeine