英语语法分析

Clinical trials in this field have shown conflictual and opposite results making it difficult for the clinician to understand the true role of this still experimental therapy.

但迄今为止，临床试验结果相互矛盾，使临床医师不清楚干细胞治疗的真实作用，从而使得其仍然处于实验性治疗阶段。