Effect of varient dosages of amphetamine upon endurance.
D000328:Adult; D003913:Dextroamphetamine / Q000008:administration & dosage* / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D005082:Physical Exertion / Q000187:drug effects*
D003913:Dextroamphetamine