Dirk M. Elston; Elise Olsen. "Cicatricial Alopecia". North American Hair Research Society. Archived from the original on 2010-08-06. Retrieved 2010-06-24.
Dirk M. Elston; Elise Olsen. "Cicatricial Alopecia". North American Hair Research Society. Archived from the original on 2010-08-06. Retrieved 2010-06-24.