Black, D B Analytical high-performance liquid chromatography system for separation of components in nonoxynol-9 spermicidal agents. [electronic resource] - Journal of chromatography Sep 1989 - 244-9 p. digital Publication Type: Journal Article Standard No.: 10.1016/s0021-9673(01)84391-0 doi Subjects--Topical Terms: Chromatography, High Pressure LiquidContraceptive Agents, Female--analysisFemaleNonoxynolPolyethylene Glycols--analysisSpermatocidal Agents--analysis