On the morphology of so-called chondrodermatitis nodularis chronica helicis.
D003872:Dermatitis; D004194:Disease; D004427:Ear Diseases; D004431:Ear, External; D006801:Humans
DERMATITIS; EAR, EXTERNAL/diseases
Zur Morphologie der sog.  Chondrodermatitis nodularis chronica helicis.