AIM: To study the loss of heterozygosity (LOH) on 12p12-13 in Chinese colon carcinoma patients.METHODS: DNA was extracte......

目的 研究结肠癌组织KRAS2基因所在区域染色体12p12-13杂合性缺失,以了解该区域因染色体不稳定而发生的DNA片段丢失情况,探索野生......