Ashar Hussain, Aisha Mehboob, Areeba Laghari, Mowaffaq Abdullmomen Al Absi, Hafiz Mahmood Azam, Muhammad Siddique Qazi 2023. The Effect of Acidic Beverages on Hardness of Two Different Composite Filling Materials. Pakistan Journal of Medical & Health Sciences. 17, 09 (Sep. 2023), 139. DOI:https://doi.org/10.53350/pjmhs20231709139.