Nasir, Jamal Abdul, and Syed Arif Ahmed Zaidi. “MODELLING SURVIVAL DATA OF THALASSAEMIA PATIENTS IN PAKISTAN”. Journal of Ayub Medical College Abbottabad, vol. 21, no. 1, Mar. 2009, pp. 142-5, https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/3803.