The influence of painful sunburns and lifetime sun exposure on the risk of actinic keratoses, seborrheic warts, melanocytic nevi, atypical nevi, and skin cancer. - Kennedy,C.; Bajdik,C.D.; Willemze,R.; De Gruijl,F.R.; Bouwes Bavinck,J.N. (J Invest Dermatol, 2003)