1. Knowledge, attitude and practice, the three pivots of excellence and wisdom. A place in the medical profession;Badran;Journal of the Egyptian Medical Association,1988
2. Ethics in life in Ancient Egypt;Hatem,1982
3. Abdel-Baky MF. Al-Mowatae of Imam El-Aema wa Alem El Madina, Malek Ibn Anas, El-Shaeb Book. Husn El Kholok, Hadith # 8; 1951. p. 564.
4. Bioethics in artificial reproduction in the Muslim world;Serour;Bioethics,1993
5. Kitab El I'man, Bab Bian El I'man, wa Al-Islam wa Il-Ihsa'an;Muslim,2001