1. Eggli U. Illustrated handbook of succulent plants. Crassulaceae. Springer-Verlag Berlin Heidelberg, 2003; 143-181
2. Gaind KN, Gupta RL. Alkanes, alkanols, triterpenes and sterols of Kalanchoe pinnata. Phytochemistry 1972; 11(4):1500-1502
3. Supratman U, Fujita T, Akiyama K, Hayashi H, Murakami A, Sakai H. Anti-tumor promoting activity of bufadienolides from Kalanchoe pinnata and K. daigremontiana X tubiflora. Biosci-Biotechnol-Biochem 2001; 65(4): 947-949
4. Comerford SC. Medicinal plants of two mayan healers from San Andres, Peten, Guatemala. Econ Bot 1996; 50(3): 327-336