TY  - RPRT
TI  - Proceedings: Physical activity--a modality for bone accretion in the aged.
AU  - E L Smith
AU  - W Reddan
PY  - 1976
DO  - 10.2214/ajr.126.6.1297
UR  - https://pubmed.ncbi.nlm.nih.gov/179416/
ID  - 179416
ER  -