Khan, S. P. and Shahjahan, S. (1998) “THE ROLE OF SERUM AND URINARY CALCIUM LEVELS IN RENAL LITHIASIS”, Journal of Ayub Medical College Abbottabad, 10(2), pp. 38–42. Available at: https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/4823 (Accessed: 4 May 2025).