Role of dose interval in the acquisition of tolerance to methylphenidate.
D000818:Animals; D003913:Dextroamphetamine / Q000494:pharmacology; D004334:Drug Administration Schedule; D004361:Drug Tolerance; D004435:Eating / Q000187:drug effects; D008297:Male; D008774:Methylphenidate / Q000008:administration & dosage*; D051381:Rats; D011919:Rats, Inbred Strains; D013997:Time Factors
D008774:Methylphenidate; D003913:Dextroamphetamine