found:Work cat.: Learning disabilities, medicine, and myth, 1991.
found:MeSH browser, June 28, 2007(Methylphenidate. Entry terms: k Methylphenidate Hydrochloride; Ritalin (among others). Scope note: A central nervous system stimulant used most commonly in the treatment of attention-deficit disorders in children and for narcolepsy.)
found:Pharmaceutical substances, 2001:p. 1299 (Methylphenidate, psychotonic)
found:AHFS drug information(Methylphenidate hydrochloride (Methylphenidylacetate hydrochloride): a piperdine-derivate stimulant)
found:Merck(Methylphenidate: 5981)
found:USAN/USP(Methylphenidate hydrochloride)
found:Physicians desk reference, 37th ed.:p. 865.