8Mostafa S, Ei - sadek M, Alia E A. Spectrophotometric determina- tion of enrofloxacin and pefloxacin through ion - pair complex for- mation [ J ]. Journal of Pharmaceutical and Biomedical Analysis, 2002,28 ( 1 ) : 173 - 180.
9El - kommos M E, Saleh G A, Ei - gizawi S M, et al. Spectroflu- orometric determination of certain quinolone antibacterials using metalchelation [ J ]. Talanta,2003,60 (5) : 1033 - 1050.
