Okay, I admit to a bias. I like Dr. Harold Katz, author of the Bad Breath Bible. I didn’t have any opinions until I read his book, looked at his website, and saw him in some videos...
Okay, I admit to a bias. I like Dr. Harold Katz, author of the Bad Breath Bible. I didn’t have any opinions until I read his book, looked at his website, and saw him in some videos...