MMWR Morbidity and Mortality Weekly Report · 1997 · 52 citations · 0 references
EducationPreventive MedicinePhysical ActivityActivity PatternsLeisure ParticipationLeisure-time Physical ActivityPhysical Activity AssessmentPhysical Activity EpidemiologyPhysical FitnessLeisure-time Physical Activity AssessmentLeisure-time Physical Activity MeasurementPhysical Activity DurationPhysical Activity FrequencyPhysical Activity Prevalence