Betti, R Symmetrical, papular, eruptive auricular collagenomas. [electronic resource] - Journal of the American Academy of Dermatology Aug 1998 - 363-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0190-9622 Standard No.: 10.1016/s0190-9622(98)70391-3 doi Subjects--Topical Terms: AdultCollagen Diseases--pathologyEar Neoplasms--pathologyHamartoma--pathologyHumansMaleNevus--pathologySkin--pathologySkin Neoplasms--pathology