Good morning. First of all I want to thank the camp for this invitation, and also to doctor Owen for his friendship. I am very happy to be here sharing my experience with all of you. I will speak about ozone mechanism fractions, and also I will show you some preclinical and clinical trial that we have performed in this more than twenty-eight years. First of all we have to say that ozone is a powerful oxidant. It has the strongest reactivity, and for that reason it has been created a dogma that ozone is toxic to be used in medicine, it has been prescribed. But however, since the first years of the last century we have reports of the...