Khan, Nasim, Sivashnee Thaver, and Samantha Govender. “Self-Ear Cleaning Practices and the Associated Risk of Ear Injuries and Ear-Related Symptoms in a Group of University Students”. Journal of Public Health in Africa 8, no. 2 (December 31, 2017). Accessed December 7, 2019. https://publichealthinafrica.org/index.php/jphia/article/view/555.