a保持自己的优点,改进自己的缺点 Maintains own merit, improves own shortcoming [translate] a2010年七月九日 On July 9, 2010 [translate] a该报以深度报道见长,对题材的选择也非常谨慎 Should respond with the depth to report grows perceptibly, extremely is also discrete to the theme choice [...
There is merit in studies with heterogeneous study populations. They allow exploration of the extent to which the performance of a diagnostic test depends on prespecified predictors, and how much residual variation exists. The more variation there is in study populations, the greater the potential ...