Mansoor, Afsheen, Faisal Moeen, Aleena Hussain, Shahab Ud Din, Muhammad Talal Khan, and Farrukh Said. 2020. “AGE RELATED CHANGES IN PHYSIOLOGY OF NORMAL HUMAN TOOTH ENAMEL: A REVIEW”. Pakistan Journal of Physiology 16 (3):35-40. https://doi.org/10.69656/pjp.v16i3.1196.