@article {:2008-05-03:1173-8324:22, title = "Methylnaltrexone gets US approval for constipation", journal = "Inpharma", volume = "1", year = "2008-05-03", abstract = "", pages = "22-22(1)", url = "http://www.ingentaconnect.com/content/adis/inp/2008/00000001/00001636/art00070" }