“Impact of Some Heavy Metals in Soil on Oxidative Stress Indices and Chlorophyll Levels of Telfaria occidentalis Leaves” (2012) Nigerian Journal of Biochemistry and Molecular Biology, 27(1&2), pp. 46–52. Available at: https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/283 (Accessed: 17 October 2025).