RETRACTION.

The editorial board announced this article has been retracted because of scientific misconduct. If you have any further question, please contact us at: kmjedit@kurume-u.ac.jp Article Title: The prevention of hip fracture with menatetrenone and risedronate plus calcium supplementation in elderly patients with Alzheimer disease: a randomized controlled trial Authors: Yoshihiro Sato, Yoshiaki Honda, Kazuo Umeno, Norimasa Hayashida, Jun Iwamoto, Tsuyoshi Takeda and Hideo Matsumoto Journal Title: Kurume Medical Journal Volume: Vol. 57, 2011 Pages: 117-124.