Peeters, S., et al. “Ewing Sarcoma of Distal Phalanx of the Great Toe in a 10-Year-Old Boy: Case Report and Review of the Literature”. European Journal of Pediatric Dermatology, vol. 35, no. 4, Nov. 2025, pp. 207-12, doi:10.26326/2281-9649.35.4.2854.