Riaz, A.; Haider, M. .; Ashfaq, U. A. .; Riaz, M. A.; Rafi, U.; Siddiqui, M. F.; Asif, H. Study of Heavy Metals and Persistant Pollutants Concentrations in Serum of Breast Cancer Patients. PJHS-Lahore 2020, 1, 35-41.