Muasya, M., P. Ng’ang’a, G. Opinya, and F. Macigo. “Malocclusion and Orthodontic Treatment Need Among 12-15-Year-Old Children in Nairobi”. East African Medical Journal, vol. 89, no. 2, June 2013, pp. 39-44, doi:10.4314/eamj.v89i2.