Differences in antiwrithing activity of morphine and nalorphine over time and in slopes of the dose-response lines.
D000704:Analysis of Variance; D000818:Animals; D003864:Depression, Chemical; D008297:Male; D051379:Mice; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009132:Muscles / Q000494:pharmacology; D009269:Nalorphine / Q000008:administration & dosage / Q000494:pharmacology*; D010146:Pain / Q000139:chemically induced*; D011809:Quinones; D013035:Spasm / Q000139:chemically induced*; D013997:Time Factors
D011809:Quinones; D009020:Morphine; D009269:Nalorphine