Estimating the risk of competing mortality is of importance in men with early prostate cancer to choose the most appropr......

...

The paper is devoted to a comprehensive research aimed at introducing anew national pension scheme called Employer-Emplo......

期望寿命相关指标是目前应用最为广泛的衡量人群总体健康水平或疾病负担的指标之一。随着长期随访的人群队列的增加，越来越多的研究......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......