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"Variable Name","Variable ID","Variable Description",Version,"dbGaP Mapping" PX520506_Motive_Drugs_Amphetamines,PX520506020000,"What have been the most important reasons for your taking amphetamines or other stimulant drugs without a doctor’s orders? (Mark all that apply.)",0,https://www.phenxtoolkit.org/protocols/view/520506 PX520506_Motive_Drugs_Cocaine,PX520506040000,"What have been the most important reasons for your taking cocaine? (Mark all that apply.)",0,https://www.phenxtoolkit.org/protocols/view/520506 PX520506_Motive_Drugs_Heroin,PX520506050000,"What have been the most important reasons for your using narcotics other than heroin without a doctor’s orders? (Mark all that apply.)",0,https://www.phenxtoolkit.org/protocols/view/520506 PX520506_Motive_Drugs_Marijuana,PX520506010000,"What have been the most important reasons for your using marijuana or hashish? (Mark all that apply.)",0,https://www.phenxtoolkit.org/protocols/view/520506 PX520506_Motive_Drugs_Tranquilizers,PX520506030000,"What have been the most important reasons for your taking tranquilizers? (Mark all that apply.)",0,https://www.phenxtoolkit.org/protocols/view/520506