Fernández-Crehuet, P., & Ruiz-Villaverde, R. (2025). Dirt-Like Hyperpigmented Plaques on the Neck and Linea Alba of a 12-Year-Old Girl. Sultan Qaboos University Medical Journal, 16(2), 259-260. https://doi.org/10.18295/squmj.2016.16.02.023