title: Ritalin tests for preschoolers.
authors.forename: L L
authors.initials: LL
authors.lastname: Greenhill
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000188:drug therapy*; D000697:Central Nervous System Stimulants / Q000008:administration & dosage*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D006801:Humans; D008774:Methylphenidate / Q000008:administration & dosage*
chemical_list: D000697:Central Nervous System Stimulants; D008774:Methylphenidate