Exhaled breath condensate: a space odessey, where no one has gone before…

To the Editor:

We read with great interest the editorial of Rahman 1 on the reproducibility of oxidative stress biomarkers in breath condensate. As a consequence, we would like to share some of our thoughts, as ultimately, we all may want to walk on planet Mars. However, this does not mean that we are already able to lift off, as many methodological problems first need to be properly addressed. Similarly, exhaled breath condensate (EBC) is an interesting …