Stability of methadone pain cocktails.
D000639:Amitriptyline / Q000032:analysis; D004338:Drug Combinations; D004355:Drug Stability; D006919:Hydroxyzine / Q000032:analysis; D008691:Methadone / Q000032:analysis; D010634:Phenobarbital / Q000032:analysis
D004338:Drug Combinations; D000639:Amitriptyline; D006919:Hydroxyzine; D008691:Methadone; D010634:Phenobarbital