title: Methylnaltrexone: treatment for opioid-induced constipation--not convinced yet.
authors: HaiNan Liu
authors: Xiulu Ruan
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects*; D003248:Constipation / Q000139:chemically induced* / Q000188:drug therapy*; D006801:Humans; D009271:Naltrexone / Q000031:analogs & derivatives* / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000627:therapeutic use*; D000644:Quaternary Ammonium Compounds / Q000627:therapeutic use
chemical_list: D000701:Analgesics, Opioid; D009292:Narcotic Antagonists; D000644:Quaternary Ammonium Compounds; C032257:methylnaltrexone; D009271:Naltrexone