Abdallah, R., U. Sass, and I. Grozdev. “To Worry or Not - Clinical Assessment of a Pigmented Skin Lesion in a 4-Year-Old Girl.”. European Journal of Pediatric Dermatology, vol. 27, no. 1, Mar. 2017, pp. 52-3, doi:10.26326/2281-9649.27.1.1323.