Fig. 3From: Study on health hazards through medicines purchased on the Internet: a cross-sectional investigation of the quality of anti-obesity medicines containing crude drugs as active ingredientsAbsorbance spectrum of the peaks that appeared in HPLC analyses under Method 1. a Reference standard of sibutramine; b the peak that appeared in HPLC analyses of item number 1; and c the peak that appeared in HPLC analyses of item number 10Back to article page