Cross-calibration and comparison of variability in 2 bone densitometers in a research setting: the framingham experience.
Gagnon
David R
DR
Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA.
McLean
Robert R
RR
Hannan
Marian T
MT
Cupples
L Adrienne
LA
Hogan
Mary
M
Kiel
Douglas P
DP