目的分析一汉族念珠状发家系成员Ⅱ型毛发角蛋白（hHb）基因的突变情况。方法收集1个汉族念珠状发家系的临床资料，应用皮肤镜检查家系成......

Objective:To investigate the gene polymorphism in a pedigree of congenital monilethrix.Methods:Genomic DNA of affected m......