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There can never be a double blind study.

A small, double blind study was done in healthy humans to determine the analgesic effects.

Parents are often reluctant to enter children in a blind study; they want what their doctor deems best now.

Scientific studies have shown mixed results in double blind studies of the diet.

With such small gains to begin with, positive results could disappear in a truly blind study.

Two hundred and five patients were studied in the multicentre four week double blind study.

Effect of coenzyme Q10 on essential hypertension, a double blind controlled study.

I am not aware of any "double blind" studies that verify that claim however.

Our site was part of the original blind study, there has been a slight (maybe 20%?)

Double blind study could use regular soap with a bit of peppermint oil in it.