[HSF] The fallacy of surgical research

[Donald Ross]

>  For example two weeks ago I challenged anyone to bring forth  
> evidence that obliterating the LAA reduces strokes and no one could  
> provide any except 'I ligate or excise them all and have seen no  
> strokes'.
Ani,
This LAA spat is a good example for you to tell us how to prove to  
your satisfaction that, say Mark Levinson's double ligation of the  
LAA, is valid or not.
Don