Thesis (M.S.)--American University of Beirut, Dept. of Biology, 2007.;"Advisor: Dr. Rabih Talhouk, Professor, Biology--Co-Advisor: Dr. Marwan El-Sabban, Professor, Human Morphology--Member of Committee: Dr. Hala Gali-Muhtasib, Professor, Biology--Member o
Bibliography : leaves 65-72.