wbldb
Riggs, B. Lawrence; Wahner, Heinz W.; Melton, III, L. Joseph; Richelson, Linda S.; Judd, Howard L.; Offord, Kenneth P.
Rates of bone loss in the appendicular and axial skeletons of women:​ evidence of substantial vertebral bone loss before menopause
J Clin Invest. May 1986;​77(5):​1487-1491