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"Variable Name","Variable ID","Variable Description",Version,"dbGaP Mapping" PX230801_CreatineGrowthHormones_AnabolicSteroids_Use,PX230801030000,"In the past year, how often did you use any of the following products to improve muscle mass or strength? Anabolic steroids (do not include steroids used for treating medical conditions)",0,https://www.phenxtoolkit.org/protocols/view/230801 PX230801_CreatineGrowthHormones_Creatine_Use,PX230801010000,"In the past year, how often did you use any of the following products to improve muscle mass or strength? Creatine",0,https://www.phenxtoolkit.org/protocols/view/230801 PX230801_CreatineGrowthHormones_DHEA_Androstenedione_HGH_Use,PX230801020000,"In the past year, how often did you use any of the following products to improve muscle mass or strength? DHEA, Androstenedione, or human growth hormone",0,https://www.phenxtoolkit.org/protocols/view/230801