1. Amna T, Puri SC, Verma V, Sharma JP, Khajuria RK, Musarrat J, Spiteller M, Qazi GN (2006) Bioreactor studies on the endophytic fungus Entrophospora infrequens for the production of an anticancer alkaloid camptothecin. Can J Microbiol 52:189–196
2. Dai SJ, Wang Y, Yan X, Ma M (2004) Effects of color films on growth and camptothecin content in the leaves of Camptotheca acuminata seedlings. Acta Ecol Sin 24(5):869–875 (in Chinese)
3. Douillard JY, Cunningham D, Rothm AD, Navarro M, James RD, Karasek P, Jandik P, Iveson T, Carmichael J, Alakl M, Gruia G, Awad L, Rougier P (2000) Irinotecan combined with fluorouracil compared with fluorouracil alone as first-line treatment for metastatic colorectal cancer: a multicentre randomised trial. Lancet 355:1041–1047
4. Eilert U (1987) Elicitation: methodology and aspects and application. In: Constabel F, Vasil IK (eds) Cell culture and somatic cell genetics of plants, vol 4. Academic Press, San Diego, pp 153–196
5. Feng JC, Zhang YJ, Yang TZ (2002a) Effect of low temperature stress on the membrane-lipid peroxidation and the concentration of free proline in Camptotheca acuminata seedling. For Res 15(2):197–202 (in Chinese)