Simpson, M A Opiates in the management of terminal pain. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Sep 1986 - 373 p. digital Publication Type: Letter ISSN: 0256-9574 Subjects--Topical Terms: HumansNarcotics--administration & dosagePain, Intractable--drug therapy