title: Authors' response: The role of risedronate in osteopenia in Crohn's disease.
authors.affiliation: Department of Gastroenterology and Hepatology, VUmc, Amsterdam, The Netherlands.
authors.forename: Ad A
authors.initials: AA
authors.lastname: van Bodegraven
authors.affiliation: Department of Epidemiology and Biostatistics, VUmc, Amsterdam, The Netherlands.
authors.forename: Birgit I
authors.initials: BI
authors.lastname: Witte
authors.affiliation: Endocrine Section, Department of Internal Medicine, VUmc, Amsterdam, The Netherlands.
authors.forename: Paul
authors.initials: P
authors.lastname: Lips
mesh_terms: D050071:Bone Density Conservation Agents / Q000627:therapeutic use*; D001851:Bone Diseases, Metabolic / Q000188:drug therapy*; D002118:Calcium / Q000627:therapeutic use*; D003424:Crohn Disease / Q000150:complications*; D019587:Dietary Supplements; D012968:Etidronic Acid / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D008297:Male; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D050071:Bone Density Conservation Agents; D014807:Vitamin D; D012968:Etidronic Acid; D002118:Calcium
keywords: BONE DISEASE; BONE MINERAL DENSITY; CALCIUM; CROHN'S DISEASE; VITAMINS