https://thorax.bmj.com/content/thoraxjnl/76/Suppl_2/A19.1.full.pdf
IS A NOVEL DIGITAL BREATHING & ENERGY MANAGEMENT PROGRAMME EFFECTIVE IN REDUCING SYMPTOMS OF LONG COVID?
J Moore, J Plumbe, N Hilliard, K Plumbe, N Beckett, T Burch, K Bahadur.
Respiricare, Kent, UK...