ACTA ANAESTHESIOLOGICA SCANDINAVICA, cilt.38, sa.4, ss.396-397, 1994 (SCI-Expanded)
Morphine-ephedrine interaction on analgesia was studied in mice (n = 240) and in post-operative patients (n = 32). It was found that combining morphine and ephedrine enhances analgesia which is not significantly different from the effect of morphine given alone at double dose.