TY - GEN AU - Hu,Z Y AU - Deng,Q L AU - Hu,D J TI - [The development of SPA bone densitometry for heel bone] SN - 1671-7104 PY - 2003///0718 KW - Absorptiometry, Photon KW - instrumentation KW - Bone Density KW - physiology KW - Calcaneus KW - Equipment Design KW - Evaluation Studies as Topic KW - Humans N1 - Publication Type: English Abstract; Journal Article ER -