SJ Hodges

Age-related changes in the circulating levels of congeners of vitamin K2, menaquinone-7 and menaquinone-8.

M. Shearer, J. Chayen, L. Bitensky, 1990, Clinical science.

Depressed levels of circulating menaquinones in patients with osteoporotic fractures of the spine and femoral neck.

M. Shearer, J. Chayen, L. Bitensky, 1991, Bone.

Circulating vitamin K levels in patients with fractures.

J. Hart, J. Chayen, L. Bitensky, 1988, The Journal of bone and joint surgery. British volume.