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家族性进行性色素过度沉着症(Familial Progressive Hyperpigmemtation)为一罕见的先天性遗传性疾病,我们选择一家系典型病人进行超微结构的观察,报告如下.
Familial Progressive Hyperpigmemtation is a rare congenital hereditary disease. We chose a typical patient for ultrastructural observations. The report is as follows.