Ghosh, G.; Subudhi, B.; Mishra, D.; Sudhir Kumar, P.; Mishra, S. Isolation and Characterization of 22,23-Dihydrostigmasterol (β-Sitosterol) from the Bark of Polyalthia Longifolia Var. Angustifolia. ajc 2010, 23, 1341-1343.