Naeem, Shahla, et al. “LEAD IN FOOD AND ITS CORRELATION WITH BLOOD LEAD LEVELS AMONG PREGNANT WOMEN OF SINDH, PAKISTAN”. Journal of Ayub Medical College Abbottabad, vol. 33, no. 4, Oct. 2021, pp. 646-53, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/9181.