Retraction notice to: Sato Y, Kaji M, Tsuru T, Satoh K, Kondo I. Vitamin K deficiency and osteopenia in vitamin D-deficient elderly women with Parkinson's disease. Arch Phys Med Rehabil. 2002 Jan;83(1):86-91. PMID: 11782837
Retraction notice to: Sato Y. Abnormal bone and calcium metabolism in patients after stroke. Arch Phys Med Rehabil. 2000 Jan;81(1):117-21. Review. PMID: 10638886
Retraction notice to: Sato Y, Honda Y, Hayashida N, Iwamoto J, Kanoko T, Satoh K. Vitamin K deficiency and osteopenia in elderly women with Alzheimer's disease. Arch Phys Med Rehabil. 2005 Mar;86(3):576-81. PMID:15759247