Article says, “The results need to be interpreted with caution, as circular breathing was not measured directly.” Ya so i’m not to sure of the validity of the article either, John. Thinkin’ its more of a piss take! Maybe a hopeful secret agent man? lol
But nonetheless trying to make the point we should all be mindful to keep our horns clean, clean the outside with a soft rag once a week, swab through after each day, occasionally disinfect crook and mp etc.
Your thoughts?
🙂
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