JAMA | The Latest Medical Research, Reviews, and Guidelines 中文 关注 45至49岁成人结直肠癌筛查策略 本次试验旨在评估最有效的公共卫生策略,以促进45至49岁平均风险成年人的结直肠癌筛查。 Population Health Colorectal Cancer Screening Strategies in Adults Aged 45 to 49 Years jamanetwork.com