title: RETRACTED: Efficacy of bisphosphonates against hip fracture in elderly patients with stroke and Parkinson diseases: meta-analysis of randomized controlled trials.
abstract: This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).
  
  This article has been retracted at the request of the Editor-in-Chief. This paper includes a meta-analysis based on papers by another author group that have since been retracted. Researchers can be misled by reading this paper, thus we have retracted it.
authors.affiliation: Department of Geriatrics, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China.
authors.forename: Weiwei
authors.initials: W
authors.lastname: Zhang
authors.affiliation: Department of Orthopaedic Surgery, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China.
authors.forename: Chen
authors.initials: C
authors.lastname: Zhu
authors.affiliation: Department of Geriatrics, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China.
authors.forename: Mengwen
authors.initials: M
authors.lastname: Sun
authors.affiliation: Department of Geriatrics, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China.
authors.forename: Yuhao
authors.initials: Y
authors.lastname: Ge
authors.affiliation: Department of Geriatrics, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China. Electronic address: yanguang399@sina.com.
authors.forename: Guang
authors.initials: G
authors.lastname: Yan
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000187:drug effects*; D000596:Amino Acids / Q000652:urine; D015519:Bone Density / Q000187:drug effects*; D050071:Bone Density Conservation Agents / Q000627:therapeutic use; D002117:Calcitriol / Q000097:blood; D002118:Calcium / Q000097:blood; D015897:Comorbidity; D004164:Diphosphonates / Q000008:administration & dosage / Q000627:therapeutic use*; D005260:Female; D006620:Hip Fractures / Q000097:blood / Q000453:epidemiology / Q000517:prevention & control* / Q000652:urine; D006801:Humans; D008297:Male; D008875:Middle Aged; D010281:Parathyroid Hormone / Q000097:blood; D010300:Parkinson Disease / Q000150:complications / Q000453:epidemiology*; D016032:Randomized Controlled Trials as Topic; D020521:Stroke / Q000150:complications / Q000453:epidemiology*
chemical_list: D000596:Amino Acids; D050071:Bone Density Conservation Agents; D004164:Diphosphonates; C470125:PTH protein, human; D010281:Parathyroid Hormone; C036020:deoxypyridinoline; D002117:Calcitriol; D002118:Calcium
keywords: Hip fracture; Parkinson’s disease; bisphosphonate; stroke