@book{69829,
	author = {Somayia Ramadan Mohamed and Maha Abdelsalam Elbaz , },
	title = {Microhardness and surface roughness of demineralized enamel treated with icon resin infiltration or hydroxyapatite remineralization and their combination versus sound enamel after two weeks pH cycle : },
	publisher = {Somayia Ramadan Mohamed , },
	year = {2018},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}