Correlation between Particulate Matter 10 (PM10) Exposure Time and Black Dots in Buccal Cells of Medan Landfill Recycling Workers. Baghdad Sci.J [Internet]. 2024 Dec. 1 [cited 2025 Jun. 3];21(12):3749-61. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/10007