Gaudiello, Francesca, Massimiliano Scalvenzi, Lucia Gallo, and Nicola Balato. “Excess Granulation Tissue and Hair Loss Following Acitretin”. Dermatology Reports 3, no. 1 (February 4, 2011): e2. Accessed July 16, 2019. https://www.pagepress.org/journals/index.php/dr/article/view/dr.2011.e2.