Observations of 3-hydroxy-n-methylmorphinan hydrobromide (Dromoran) on fetal respiratory movements of the rabbit.
D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D019069:Cell Respiration; D005324:Fetal Movement; D007981:Levorphanol; D011817:Rabbits; D012119:Respiration / Q000187:drug effects*
D000700:Analgesics; D007981:Levorphanol
ANALGESICS/effects; RESPIRATION/effect of drugs on