%0 Journal Article %T Retraction: Paper ¡°Combined Treatment with Vitamin K2 and Bisphosphonate in Postmenopausal Women with Osteoporosis¡± by Iwamoto J, et al. [Yonsei Med J 2003;44(5):751-756] %J Archive of "Yonsei Medical Journal". %D 2019 %R 10.3349/ymj.2019.60.1.115 %X We decided to retract the paper entitled ¡®Combined Treatment with Vitamin K2 and Bisphosphonate in Postmenopausal Women with Osteoporosis¡¯ [Yonsei Med J 2003;44(5):751-756] by Iwamoto J, Takeda T, Ichimura S. Based on information that were discovered after publication, we have recently become aware of a number of issues related to data duplication and scientific misconduct %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6298886/