1. Zondek, B. and E. Bergmann. Phenol methyl ethers as oestrogenic agents. Biochem J 1938; 32: 641–645.
2. Shishkin, B. K. Umbelliflorae. Flora of the USSR 1973; 16: 1–478.
3. Garcia-Barriga, H. Flora Medicinal de Colombia. Vol. 2/3 Universidad Nacional, Bogota, 1975.
4. Dhar, M. L., M. M. Dhar, B. N. Dhawan, B. N. Mehrotra and C. Ray. Screening of Indian plants for biological activity: Part I. Indian J Exp Biol 1968; 6: 232–247.
5. Stager, R. New studies on the effect of plant odors on ants. Mitt Schweiz Antomol Ges 1933; 15: 567-.