Factors predicting osteoporosis treatment initiation in a regionally based cohort .
预测骨质疏松症开始治疗的因子:基于队列的区域研究。
Effects of staff training on the care of mechanically ventilated patients : a prospective cohort study .
麻醉师护理机械通气病人的技术培训效果的一项前瞻性队列研究。
In pooled data from six prospective cohort studies , the researchers examined associations of leisure-time physical activity of a moderate to vigorous intensity with mortality .