Das, Kapildev, Nilay Das, Vikram Rathore, Sourav Kundu, Sourav Choudhury, Ramesh Gharami, and Pijush Datta. 2010. “Keratoacanthoma Centrifugum Marginatum: Unresponsive to Oral Retinoid and Successfully Treated With Wide Local Excision.”. Dermatology Reports 2 (1), e1. https://doi.org/10.4081/dr.2010.e1.