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  Indian J Med Microbiol
 

Figure 1: Comparative high-performance liquid chromatography chromatograms at 210 nm for (1) HRBAa (2) CRBAa and (3) standard betulinic acid in the most active extracts

Figure 1: Comparative high-performance liquid chromatography chromatograms at 210 nm for (1) HRBAa (2) CRBAa and (3) standard betulinic acid in the most active extracts