Sanli, H, P Ekmekci, F Kusak, M Arat, and M. Beksaç. 2003. “Hyperkeratosis of the Nipple Associated With Chronic Graft Versus Host Disease After Allogeneic Haematopoietic Cell Transplantation”. Acta Dermato-Venereologica 83 (5):385-86. https://doi.org/10.1080/00015550310012665.