Antagonism between alkylated and norcompounds of the morphine group in jected intracisternally into mice.
D000818:Animals; D008614:Meperidine / Q000037:antagonists & inhibitors*; D051379:Mice; D009020:Morphine / Q000037:antagonists & inhibitors*
D009020:Morphine; D008614:Meperidine
MEPERIDINE/antagonists; MORPHINE/antagonists