[1]
A. Parsons and M. A. Hurt, “Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012”, Dermatol Pract Concept, pp. 47–50, Jan. 2013, doi: 10.5826/dpc.0301a13.