RT Journal Article SR Electronic T1 Precision of Dual-Energy X-Ray Absorptiometry in Determining Bone Mineral Density and Content of Various Skeletal Sites JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1137 OP 1142 VO 33 IS 6 A1 Harri Sievänen A1 Pekka Oja A1 Ilkka Vuori YR 1992 UL http://jnm.snmjournals.org/content/33/6/1137.abstract AB