المراجع الأجنبية

- Chakrabarty, صلى الله عليه وسلم. (1985) . Gentic صلى الله عليه وسلمngineering Fith. ed. CrC. press.

- Gasser, C. and Fraley, R. (1992) . Transgenic Crops. Scientific صلى الله عليه وسلمmerican, june.

- Larsen, W. (1993) . Human صلى الله عليه وسلمuman صلى الله عليه وسلمmbryology. Churchill.

Livingstone. Newyork.

- Lewin, رضي الله عنه. (1990) Genes IV. Oxford Cell press.

- Verna, I. (1990) . Gene Therpy, Scientific صلى الله عليه وسلمmerican. November.

68-84.

- Waddington, C (1956) . principles Of embryology. the Macmillan Company, newyork.

المجلات والجرائد:

- Newsweek, March 10, 19967.

- Nature, Feb 27, 1997.

- Science, November, 1985.