He told Sports Illustrated last October that he unknowingly used a designer steroid on his right knee in 2002.

Gary Sheffield, a teammate of Giambi's, admitted to unknowingly using prohibited substances.

She narrates the series with her dreams, unknowingly using her alter power to "scry" the emotions of the people she feels closely about.

In another case, Ms. Bernays was sued when she unknowingly used a real person's name for an unsavory fictional character she had created.

Indeed, we unknowingly use the variation of light and shadow in our environment to tell us more of its structure and three-dimensionality.

This lack of action has resulted in the potential for consumers to unknowingly use highly addictive and, when not taken appropriately, dangerous prescription painkillers.

A customer who then unknowingly uses some of the overdraft amount has actually taken out a loan, with interest rates of 12 to 18 percent.

Later reports on Bonds' leaked grand-jury testimony contend that he admitted to unknowingly using "the cream" and "the clear".

The day after, a Red Bamboo ship appeared, but they unknowingly used a placebo and not the fruit extract.

He has said he unknowingly used a testosterone-laced cream.