اصل و ترجمه مقاله لاتین A longitudinal investigation of the Drive for Muscularity Scale: Predicting use of performance enhancing substances and weightlifting among males A longitudinal investigation of the Drive for Muscularity Scale: Predicting use of performance enhancing substances and weightlifting among males Abstract The present study was designed to examine the predictive validity of… ادامه خواندن اصل و ترجمه مقاله لاتین A longitudinal investigation of the Drive for Muscularity Scale: Predicting use of performance enhancing substances and weightlifting among males