KHAN, Shaheen Pervez; SHAHJAHAN, Syed. THE ROLE OF SERUM AND URINARY CALCIUM LEVELS IN RENAL LITHIASIS. Journal of Ayub Medical College Abbottabad, [S. l.], v. 10, n. 2, p. 38–42, 1998. Disponível em: https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/4823. Acesso em: 4 may. 2025.