Correspondence

Fahmy NR , Sunder N. , Soter NA Role of histamine in the hemodynamic and plasma catecholamine responses to morphine. Clin Pharmacol Ther 1983; 33: 615-20.

McQuay HJ , Moore RA , Glynn CJ , Lloyd JW High systemic availability of oral morphine sulfate solution and sustained-release preparation. In: Fields HL et al. eds, Advances in pain research and therapy, vol 9. New York: Raven Press, 1985.