COMPARATIVE ASSESSMENT OF HEAVY METAL RESIDUES IN EDIBLE CHICKEN PRODUCTS EGGS, LIVER, AND GIZZARD FROM BROILER AND INDIGENOUS CHICKENS IN SELECTED REGIONS OF KHYBER PAKHTUNKHWA, PAKISTAN. (2026). Frontier in Medical and Health Research, 4(6), 1677-1685. https://fmhr.net/index.php/fmhr/article/view/3213