R. Albornoz-Serqueira, G. Minuzzi, D. Truffello-Tobar, F. Pereira-Rudolph, F. Rojas-Muñoz, and M. Macías-Eslava, “Multiple pilomatricomas associated with partial trisomy 9. A case report.”, Eur. J. Pediat. Dermatol., vol. 30, no. 3, pp. 145-147, Sep. 2020.