@book{74976,
	author = {Noha Ezzat Sabet  and Ahmed Abdelsalam Eid , },
	title = {Development of new classification for openbite / },
	publisher = {Noha Ezzat Sabet , },
	year = {1997},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}