TY  - RPRT
TI  - Exercise and physical activity of adolescents.
AU  - L Lugo
AU  - C Calderón
AU  - G Visbal
AU  - V Martínez
PY  - 1990
UR  - https://pubmed.ncbi.nlm.nih.gov/2375813/
ID  - 2375813
ER  -