title: A variant case of familial progressive hyperpigmentation.
authors: Ru-Zhi
authors: RZ
authors: Zhang
authors: Wen-Yuan
authors: WY
authors: Zhu
mesh_terms: D002648:Child; D018450:Disease Progression; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000235:genetics* / Q000473:pathology*; D010641:Phenotype