this is the mother lode of info about ozone. its written by dr. paul pressman. you can actually call him up if you are sick and he will help you set up a protocol. someone with cancer in the oxygen forum recently spoke with him. he and ed mccabe are the leading north american experts on ozone therapy.
if you want to read a good book on the subject get ed mccabe's "flood your body with oxygen" its a very easy read, not highly technical or anything. it really lays out the wonders of this therapy. it is linked to on the oxygen forum, its available on amazon.
here are a couple wonderful testimonials from the oxygen therapy forum.