Al-Janabi, S. . Z.; Al-Dahan, Z. . A. The Effects of Nano-Hydroxyapatite and Casein Phosphopeptide-Amorphous Calcium Phosphate in Preventing Loss of Minerals from Teeth After Exposure to an Acidic Beverage (An In Vitro Study). J Bagh Coll Dent 2015, 27 (4), 132-137.