Dr. Omer Shehzad, Department of Pharmacy (Main Campus) AWKUM has published a paper titled "Separation of triterpenoid saponins from the root of Bupleurum falcatum by counter current chromatography: The relationship between the partition coefficients and solvent system composition.". Journal of separation science (2014 Sep 15. doi: 10.1002/jssc.201400871). (Impact factor: 2.594).