YOUSUFZAI, A.H.K., QAMAR KHALID, and LIAQUAT SULTANA. “HUMAN EXPOSURETQ POLLUTANTS Part-I.Blood Lead and Cadmium Levels in a Sample of Population of Karachi”. Biological Sciences - PJSIR 37, no. 6-7 (June 9, 2022): 241–244. Accessed May 20, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2674.