غنام ن, خليل ع, أسعد م. Study the optimal conditions for the preparation of hydroxyapatite in the three-component system: Ca (NO3)2- (NH4)2HPO4- NH3.H2O to be used medically. TUJ-BA [Internet]. 2022Jul.30 [cited 2024May17];39(6). Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/13181