Many now propose that guidelines be evidence-based, which involves supporting recommendations with rigorous research evidence (16;52;98).
From the point of view of civil law, the evidence-based recommendations could be considered as a kind of coded lex ar tis.
These scholars draw on diverse theoretical approaches and often use both qualitative and quantitative methods to conduct evidence-based analyses (6;14;17).
Further research is needed to evaluate the most effective way of delivering evidence-based interventions in general practice and incorporated into training programmes.
Even in the world of evidence-based healthcare that relies so heavily on scienti c knowledge, the importance of tacit knowledge is recognized.
If physicians are concerned with maximizing health, it is also consistent with the use of evidence-based medicine and clinical guidelines.
Therefore, it could be argued that maintaining professional competence through evidence-based practice is an ethical imperative as well as a professional one.
Another implication is that both public and private sectors should emphasize evidence-based assessments and the development of cost-effectiveness as an operational, too.