The need for evidence-based medicine.

摘要: As physicians, whether serving individual patients or populations, we always have sought to base our decisions and actions on the best possible evidence. The ascendancy of randomized trial heralded a fundamental shift in way that establish clinical bases for diagnosis, prognosis, therapeutics. ability track down, critically appraise (for its validity usefulness), incorporate this rapidly growing body evidence into one's practice has been named 'evidence-based medicine' (EBM).