perspective study

• 前瞻性研究

perspective study的用法和样例：

例句

1. Prospective study on the bioactivity of lactalbumin to improve protein malnutrition status of the patients carrying through hemodialysisZHANG Yi-yun, et al.
   乳清蛋白生物活性改善维持性血透患者蛋白质营养不良的前瞻性研究。
2. Further long-term, prospective studies involving a larger study group are needed to determine the benefits of this minimally invasive percutaneous procedure.
   从长远的来看，需要一个更大样本量的前瞻性研究去确定小切口经皮入路的优点。