Simultaneous determination of metronidazole and tinidazole in plasma by using HPLC-DAD coupled with second-order calibration
Li Qun Ouyang, Hai Long Wu, Ya Juan Liu, Jian Yue Wang, Yong Jie Yu, Hong Yan Zou, Ru Qin Yu
Chinese Chemical Letters . 2010, (10): 1223 -1226 .  DOI: 10.1016/j.cclet.2010.04.016