Header Selection for weekly URL discussions.

• Is it bench science?
  

• Is it biological plausible?
  

• Is it a trial of feasibility?
  

• Is it a double blind study?
  

• Does it take into account sensitivity and specificity?
  

• Are the numbers sufficient to provide a test if efficacy
  

• Is this revival of past test in a new coat?
  

• Is it worth the cost economically?
  

• What does it do for quality of life?