Posted by case on October 26, 2000 at 15:30:31:
In Reply to: Re: research and mouthpiece posted by Bill on October 26, 2000 at 15:24:13:
thanks, do you know of any specific research about this, i am asking because i decided to test this for my science fair project since i had to do it on something i'm intested in and have to write a paper on previous research