They also studied the accuracy of mutational analysis using both purified circulating cells and free plasma DNA from 18 patients with EGFR-mutant tumors and 3 controls with wild-type tumors.

• 他们也针对18名EGFR突变肿瘤和3名野生型肿瘤控制组病患，使用纯化循环细胞和游离血浆DNA的突变分析准确度；