S. Tambe, P. Chalvade, H. Jerajani, P. Singhania, and A. Singal, “Pseudoverrucous papules and nodules (PPN) in association with female epispadias and bifid clitoris: a rare presentation.”, Eur. J. Pediat. Dermatol., vol. 24, no. 2, pp. 74-77, Jun. 2014.