| 1. | In the high risk areas of cancers , such as cervical , esophageal , gastric , liver and nasopharyngeal cancers , the secondary prevention could be carried out as more effective strategy for cancer prevention in china
在宫颈、食管、胃、肝及鼻咽等肿瘤的高发现场，可将二级预防作为当前肿瘤控制的重要手段加以推行。 |
