“…Although metocurine has been available since its synthesis by King in 1935, it has not been popular in clinical use despite early studies suggesting less histamine release (Wilson, Gordon and Raffan, 1950) and little effect on arterial pressure (Stoelting, Graf and Vieira, 1948). More recent studies have confirmed the absence of significant autonomic effects both in animals (Hughes and Chappie, 1976a;Savarese, 1979) and man (Savarese, Ali and Antonio, 1977;Zaiden et al, 1977).…”