So another way we just use the so called the hydrogen oxygen mixed gas to reduce air way resistance. On the one hand they can reduce air way resistance and on the other hand they can ameliorate the free radicals，so this is like... One moment

This is one of the patients, I just show you one and this... She said so that nothing improvement other using this hydrogen and oxygen mixed (gas). She feels much better that in terms of the dyspnea and respiratory...