Muhammad Awais, Saima Ashraf, Abida Shehzadi, Asad Shabbir, Manahal Sughra, Khadija Bibi. Comparative Analysis of Zinc Concentrations in Blood, Hair, and Nails of Leather Industry Workers and Unexposed Controls: An Analytical Cross-Sectional Study. JHWCR [Internet]. 2025 Sep. 19 [cited 2025 Oct. 13];:e853. Available from: https://jhwcr.com/index.php/jhwcr/article/view/853