9GLUER C C. Quantitative ultrasound techniques for the assessment of osteoporosis, expert agreement on current status [ J ]. Journal of Bone and Mineral Research. 1997, 12(8) :1280-1288.
10GREGG E W, KRISKA A M, SALAMONE L M, et al. The epidemiology of quantitative ultrasound: a review of the relationships with bone mass, osteoporosis and fracture risk [ J ]. Osteoporosis International. 1997, 7 ( 2 ) : 89 -99.
