THE ASSAY OF BENZALKONIUM CHLORIDE IN PILOCARPINE, HYPROMELLOSE AND POLYVINYL-ALCOHOL OPHTHALMIC DROPS BY 2ND-ORDER DERIVATIVE ULTRAVIOLET SPECTROPHOTOMETRY
Je. Parkin, THE ASSAY OF BENZALKONIUM CHLORIDE IN PILOCARPINE, HYPROMELLOSE AND POLYVINYL-ALCOHOL OPHTHALMIC DROPS BY 2ND-ORDER DERIVATIVE ULTRAVIOLET SPECTROPHOTOMETRY, Journal of pharmaceutical and biomedical analysis, 11(7), 1993, pp. 609-611