1. Preview: Global Status of Commercialized Transgenic Crops: 2003, ISAAA, Ithaca, NY 2003, pp. 1–38.
2. Commission Regulation (EC) No. 258/97 of 14 February 1997, Off. J., L043, 1–7.
3. Commission Regulation (EC) No. 49/2000 of 11 January 2000, Off. J., L006, 15–17.
4. Commission Regulation (EC) No. 641/2004 of 6 April 2004, Off. J., L102, 14–25.
5. PCR-based quantification of genetically modified Bt maize: single-competitive versus dual-competitive approach