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DNA was extracted from 52 thick primary melanomas and mutations sought in exon 15 of the BRAF (v-raf murine sarcoma vira......
男婴,出生7 d.G1P1足月顺产,院内接生,出生体重3 kg.生后发现右前臂背侧突出一肿物,起初为鲜红色,约2 cm×2 cm大小,边界清楚,周边......
