Frequent detection of human polyomavirus 6 in keratoacanthomas. - Beckervordersandforth, Jan; Pujari, Sreedhar; Rennspiess, Dorit; Speel, Ernst Jan M.; Winnepenninckx, Véronique; Diaz, Carlos; Weyers, Wolfgang; Haugg, Anke Maria; Kurz, Anna Kordelia; zur ^Hausen, Axel (Diagnostic Pathology, 2016)