1. British Herbal Medicine Association, 1983. British Herbal Pharmacopoeia. Association Scientific Committee, London, pp. 160–169.
2. Hematology, Principles and Procedures;Brown,1976
3. Biologically Active Natural Products;Hostettman,1987
4. Immunostimulant activity of Picrolive, the iridoid glycoside fraction of Picrorhiza kurroa and its protective action against leishmania donovani infection in mice;Puri;Planta Medica,1992
5. Laboratory Serology, Immunology and Immunochemistry;Rezaeipoor,1990