RT Journal Article SR Electronic T1 Accuracy of Lumbar Spine Bone Mineral Content by Dual Photon Absorptiometry JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 248 OP 254 VO 29 IS 2 A1 Anders Gotfredsen A1 Jan Pødenphant A1 Henrik Nørgaard A1 Lisbeth Nilas A1 Vivi-Ann Herss Nielsen A1 Claus Christiansen YR 1988 UL http://jnm.snmjournals.org/content/29/2/248.abstract AB