The difference between steroids and Ritalin is...
Zernike
Kate
K
D001289:Attention Deficit Disorder with Hyperactivity / Q000188:drug therapy; D001484:Baseball; D024803:Biomedical Enhancement / Q000941:ethics; D004300:Doping in Sports; D006801:Humans; D008774:Methylphenidate / Q000627:therapeutic use; D004364:Pharmaceutical Preparations; D013256:Steroids; D013315:Stress, Psychological / Q000188:drug therapy; D013334:Students / Q000523:psychology
D004364:Pharmaceutical Preparations; D013256:Steroids; D008774:Methylphenidate