TY  - RPRT
TI  - Physical activity by adolescents.
AU  - J V Durnin
PY  - 1971
DO  - 10.1111/j.1651-2227.1971.tb05712.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5289783/
ID  - 5289783
ER  -