TY - RPRT TI - Decrease in vascular resistance in the isolated canine hindlimb after graded doses of alfentanil, fentanyl, and sufentanil. AU - D A White AU - J A Reitan AU - N D Kien AU - S J Thorup PY - 1990 DO - 10.1213/00000539-199007000-00005 UR - https://pubmed.ncbi.nlm.nih.gov/2141970/ ID - 2141970 ER -