RETRACTED: An open-label trial comparing alendronate and alphacalcidol in reducing falls and hip fractures in disabled stroke patients.

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor-in-Chief due to include issues around study governance (ethical oversight and funding), implausible participant recruitment, implausible study conduct and publication timelines, authorship misconduct, conflicting statements about randomization methodology, implausibly similar randomized groups, implausible results, impossible results, duplicate reporting and data errors. In addition, several other publications reporting non-randomized research by members of this group of investigators have been retracted.