TY  - RPRT
TI  - Bone mineral content and physical activity.
AU  - N Dalén
AU  - K E Olsson
PY  - 1974
DO  - 10.3109/17453677408989136
UR  - https://pubmed.ncbi.nlm.nih.gov/4406972/
ID  - 4406972
ER  -