Ideriah, T., Briggs, A., Ideriah, B., & Uyi, H. (2007). Accumulation of heavy metals in Periwinkle(<i>Tympanotonous fuscatus var. radula</i>) from Elechi creek Port Harcourt, Nigeria. Global Journal of Environmental Sciences, 5(2). https://doi.org/10.4314/gjes.v5i2.2477