S. A. Semevolos, M Strassheim, L., Haupt, J. L., and Nixon, A. J.,
“Expression patterns of hedgehog signaling peptides in naturally acquired equine osteochondrosis.”,
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, vol. 23, no. 5, pp. 1152-9, 2005.