Evaluation of Heavy Metal Contamination in Chlorella vulgaris in the Southern City of Iraq Using Scanning Electron Microscopy and the Risk Assessment: http://www.doi.org/10.26538/tjnpr/v7i12.6. Trop J Nat Prod Res. 2023;7(12):5410-5114. Accessed December 28, 2025. https://tjnpr.org/index.php/home/article/view/3157