title: Bi-directional isomorphism: coexistence of psoriasis vulgaris and familial benign chronic pemphigus.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008875:Middle Aged; D010375:Pedigree; D010392:Pemphigus / Q000150:complications* / Q000235:genetics / Q000473:pathology; D011565:Psoriasis / Q000150:complications* / Q000235:genetics / Q000473:pathology