Need for expertise based randomised controlled trials.
Devereaux PJ., Bhandari M., Clarke M., Montori VM., Cook DJ., Yusuf S., Sackett DL., Cinà CS., Walter SD., Haynes B., Schünemann HJ., Norman GR., Guyatt GH.
Surgical procedures are less likely to be rigorously evidence based than drug treatments because of difficulties with randomisation. Expertise based trials could be the way forward

