Kansal N.K., Agarwal S., Joshi U., Choudhary B.C., Pant P. 2015. Pachyonychia congenita type 1 with cutaneous pseudohorns. Eur. J. Pediat. Dermatol. 25 (4):205-8. 10.26326/2281-9649.25.4.1161.