1. Quisumbing, E. Medicinal plants of the Philippines. Tech Bull 16, Rep Philippines, Dept Agr Nat Resources, Manila 1951: 1
2. Magid, M. and M. Wenzkowsky. Illegal methods of abortion. Dtsch Z Ges Gerichtl Med 1932; 19: 501
3. Novikova, M. A., I. S. Levi and A. S. Khoklov. In the antitumoral action of alliin. 1957; 29 (1):41–46.
4. Saha, J. C., E. C. Savini and S. Kasinathan. Ecbolic properties of Indian medicinal plants. Part 1. Indian J Med Res 1961; 49: 130–151.
5. Saha, J. C. and S. Kasinathan. Ecbolic properties of Indian medicinal plants. Part II. Indian J Med Res 1961; 49: 1094–1098.