Cabral, R., V. Teixeira, R. Vieira, and A. Figueiredo. “ACTINIC CHEILITIS: CO2 LASER ABLATION VERSUS VERMILIONECTOMY – ELEVEN YEAR ANALYSIS”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 71, no. 2, June 2014, pp. 177-83, doi:10.29021/spdv.71.2.167.