Fink AM, Filz D, Krajnik G, Jurecka W, Ludwig H, Steiner A. Seborrhoeic keratoses in patients with internal malignancies: a case-control study with prospective accrual of patients [published online March 4, 2009].
J Eur Acad Dermatol Venereol. 2009;
23(11):1316-1319. doi:10.1111/j.1468-3083.2009.03163.x.
[CrossRef] [PubMed]