Fleitman, J Improved high-performance liquid chromatographic assay for cimetidine using ranitidine as an internal standard. [electronic resource] - Journal of chromatography Apr 1982 - 255-8 p. digital Publication Type: Journal Article Standard No.: 10.1016/s0378-4347(00)86061-2 doi Subjects--Topical Terms: Chromatography, High Pressure Liquid--methodsCimetidine--bloodFuransGuanidines--bloodHumansRanitidineReference Values