However,since EBM emphasizes a lot in the gathering,evaluating and utilizing process of the evidences,some challenges and even puzzles are also emerging in those aspects of EBM.

• 但循证医学在强调证据收集、评价、利用的同时,对临床诊疗、试验以及证据收集、评价的伦理价值观也提出了挑战。