title: [A study of the age of onset of psoriasis vulgaris].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005163:Factor Analysis, Statistical; D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000453:epidemiology*
vernacular_title: Untersuchungen über das Entstehungsalter der Psoriasis vulgaris.