Antidiabetic and antimicrobial activities of fractions and compounds isolated from Berberis brevissima Jafri and Berberis parkeriana Schneid Saqib Ali, John Igoli, Carol Clements, Dima Semaan, Muhammad Alamzeb, Mamoon Ur Rashid, Syed Qaisar Shah, Valerie A. Ferro, Alexander I. Gray, Muhammad Rafiullah Khan Download