Voegborlo, R., S. Voegborlo, B. Buabeng-Acheampong, and E. Zogli. “Total Mercury Content of Skin Toning Creams and the Potential Risk to the Health of Women In Ghana”. Journal of Science and Technology, Vol. 28, no. 1, Feb. 2016, doi:10.4314/just.v28i1.622.