TY  - RPRT
TI  - Variability in bone mass measurement.
AU  - P Kannus
AU  - H Sievänen
PY  - 1993
DO  - 10.1001/jama.1993.03500110054028
UR  - https://pubmed.ncbi.nlm.nih.gov/8489638/
ID  - 8489638
ER  -