Nope, at that time the doctors used what they found worked.  If you want
double blind studies to determine that something works, then aspirin does
not work either for pain relief.  The only double blind studies done on it I
believe are for prevention of heart attacks.  They didn't do double blind
studies on anything back then as far as I can tell.

Marshall

Noel White wrote:

> I doubt if they were doing clinical and double blind in vivo studies in
> 1938.
>
> Noel
>
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