Discontinuation of leisure time impact-loading exercise is related to reduction of a calcaneus quantitative ultrasound parameter in young adult Japanese females: a 3-year follow-up study

E. Nakazono
H. Miyazaki
S. Abe
K. Imai
T. Masuda
M. Iwamoto
R. Moriguchi
H.Ueno
M. Ono
K. Yazumi
K. Moriyama
S. Nakano
H. Tsuda

Osteoporos Int