Determinants of physical activity and interventions in youth.

SALLIS, JAMES F.; SIMONS-MORTON, BRUCE G.; STONE, ELAINE J.; CORBIN, CHARLES B.; EPSTEIN, LEONARD H.; FAUCETTE, NELL; IANNOTTI, RONALD J.; KILLEN, JOEL D.; KLESGES, ROBERT C.; PETRAY, CLAYRE K.; ROWLAND, THOMAS W.; TAYLOR, WENDELL C.
Medicine & Science in Sports & Exercise: 1992 - Volume 24 - Issue 6 - ppg 248-257
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