Morgan, D J Variability of the blood/plasma concentration ratio of pethidine. [electronic resource] - The Journal of pharmacy and pharmacology Jul 1986 - 557-8 p. digital Publication Type: Journal Article ISSN: 0022-3573 Standard No.: 10.1111/j.2042-7158.1986.tb04640.x doi Subjects--Topical Terms: HumansMeperidine--bloodStatistics as Topic