Acute vascular tolerance to morphine, isonipecaine (demerol) and methadon (amidone) in the dog.
D000818:Animals; D001808:Blood Vessels / Q000187:drug effects*; D004285:Dogs; D004361:Drug Tolerance; D007108:Immune Tolerance; D008614:Meperidine; D008691:Methadone; D009020:Morphine
D009020:Morphine; D008614:Meperidine; D008691:Methadone
BLOOD VESSELS/effects of drugs on; DEMEROL; METHADON; MORPHINE/tolerance