Response to Letter to the Editor Regarding "The relationship between treatment-related changes in total hip BMD measured after 12, 18, and 24 mo and fracture risk reduction in osteoporosis clinical trials: the FNIH-ASBMR-SABER project".

Tatiane Vilaca, Marian Schini, Li-Yung Lui, Susan K Ewing, Austin R Thompson, Eric Vittinghoff, Douglas C Bauer, Richard Eastell, Dennis M Black, Mary L Bouxsein