Hi Geoff, 
You said:
> It's been pointed out:-
>  
> http://tinyurl.com/5pc9kj

They are identifying Stefansson as Icelandic. He was from the Winnipeg area
of Manitoba, and a Canadian. His name and heritage is Icelandic, and there
is a large contingent of Icelandic immigrants in that area, but Stefansson
was a Canadian. 

Nonetheless, the .pdf cited as reference #1 identifies Stefansson as a
Canadian. This same article also states: 
"Did these men adhere strictly to the diet? We can answer in the affirmative
with confidence for three reasons. First, the subjects were under close
observation during a large part of the intensive studies. Second, in every
individual specimen of urine which was tested during  the intervals when
they were living at home, acetone bodies were present in amounts so constant
that fluctuations in the carbohydrate intake were practically ruled out.
Finally, the high character of the subjects is a guarantee that they
faithfully followed the prescribed diet." 

While I have no doubt about the third item, the first and second arguments
for their dietary compliance are sufficient evidence to convince me.   

>  
> http://www.biblelife.org/stefansson2.htm
>  
> 
>  that Stefansson and his partner had eaten not just 
> muscle-meats but also brains and liver(liver contains vitamin 
> C). Funny, when I'd read his book "Not By Bread Alone", 
> Stefansson was practically boasting about how it was only 
> muscle-meats and fats that one needed to eat to be healthy. 
> Plus, of course, the Eskimoes whose diet Stefansson was 
> trying to model had even wider variety of foods(some of which 
> was raw) such as adrenals which are very high in vitamin C. 
>  
> What I meant about the study not being rigorously controlled, 
> was that he and his partner were, after the first ouple of 
> months or so, allowed to carry on with their lives, other 
> than occasional, though perhaps regular, testing(at least 
> that's what I remember Stefansson admitting in his book). It 
> would have been better if every morsel of food had been 
> checked etc.- But I suppose that would be difficult to do 
> over a full year, for any diet.

I think that the above segment I quoted is convincing. If you (or anyone
else) are interested in receiving a copy of the .pdf file, just let me know
and I'll send it along.  

Best Wishes ,
Ron