TY  - RPRT
TI  - Familial aggregation in physical activity.
AU  - P S Freedson
AU  - S Evenson
PY  - 1991
DO  - 10.1080/02701367.1991.10607538
UR  - https://pubmed.ncbi.nlm.nih.gov/1780560/
ID  - 1780560
ER  -