Matos, D., H. Barreiros, R. Coelho, and E. Bártolo. “PACHYDERMODACTYLY - TWO NEW CASES”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 72, no. 3, Oct. 2014, pp. 387-90, doi:10.29021/spdv.72.3.284.