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Breath holding as a specific type of breathing training from the viewpoint of Avicenna. Authors' reply

Grzegorz Bilo, Gianfranco Parati, Kalina Kawecka-Jaszcz
DOI: 10.20452/pamw.3991
Published online: March 31, 2017
CCBYNCSACC BY-NC-SA 4.0

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