TY  - RPRT
TI  - Assays for osteocalcin: all are not equal.
AU  - N H Bell
PY  - 1997
DO  - 10.1016/s0022-2143(97)90070-6
UR  - https://pubmed.ncbi.nlm.nih.gov/9104880/
ID  - 9104880
ER  -