Hanna Ehsan, Saima Ashraf, Muhammad Awais, Asad Shabbir, Manahal Sughra, Abida Shehzadi. Estimation of Chromium in Blood, Hair, and Nail of Workers of Leather Industry in Sialkot. JHWCR. Published online August 27, 2025:e855. doi:10.61919/mwpg5352