title: Parachlorophenylalanine, serotonin and sleep.
mesh_terms: D000818:Animals; D004361:Drug Tolerance; D010134:Fenclonine / Q000494:pharmacology*; D006801:Humans; D008691:Methadone; D051379:Mice; D009021:Morphine Dependence / Q000378:metabolism*; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D012890:Sleep / Q000187:drug effects*
chemical_list: D012701:Serotonin; D010134:Fenclonine; D008691:Methadone