[Effects of morphine and pethidine on cardiovascular and myocardial functions in dogs (author's transl)].
D000818:Animals; D004285:Dogs; D006439:Hemodynamics / Q000187:drug effects*; D008614:Meperidine / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D009200:Myocardial Contraction / Q000187:drug effects
D009020:Morphine; D008614:Meperidine