[LAVA-93b]
A. M. Laval-Jeantet, H. K. Genant, C. Y. Wu, C. C. Gluer, K. G. Faulkner, and P. Steiger,
"Factors influencing long-term in vivo reproductibility of QCT (Vertebral Densitometry)",
J Comput Assist Tomogr, vol. 17, no. 6, pp. 915-921, 1993.