The association between vitamin K status and knee osteoarthritis features in older adults: the Health, Aging and Body Composition Study.
Shea MK, Kritchevsky SB, Hsu FC, Nevitt M, Booth SL, Kwoh CK, McAlindon TE, Vermeer C, Drummen N, Harris TB, Womack C, Loeser RF. The association between vitamin K status and knee osteoarthritis features in older adults: the Health, Aging and Body Composition Study. Osteoarthritis Cartilage. 2015 Mar; 23(3):370-8.