title: Skin Signs of Systemic Disease. Introduction.
authors.forename: Albert C
authors.initials: AC
authors.lastname: Yan
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003880:Dermatology / Q000592:standards; D004342:Drug Hypersensitivity / Q000150:complications*; D005260:Female; D006201:Hair Diseases / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D009260:Nail Diseases / Q000209:etiology* / Q000473:pathology; D009748:Nutrition Disorders / Q000150:complications*; D010372:Pediatrics / Q000592:standards; D012871:Skin Diseases / Q000209:etiology* / Q000473:pathology