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#HealthEconWP Calibration of Self-Report Tools for Physical Activity Research: The Physical Activity Questionnai... http://t.co/hZC8iStoeE
#HealthEconWP Calibration of Self-Report Tools for Physical Activity Research: The Physical Activity Questionnai... http://t.co/hZC8iStoeE
Calibration of self-report tools for physical activity research: the Physical Activity Questionnaire (PAQ) http://t.co/eV7m6WhPES