TY  - RPRT
TI  - New standards for estimating bone density.
AU  - W KOCH
AU  - D KAPLAN
PY  - 1961
DO  - 10.1016/s0140-6736(61)91541-0
UR  - https://pubmed.ncbi.nlm.nih.gov/13757353/
ID  - 13757353
ER  -