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Letters to the Editor

Breath holding as a specific type of breathing training from the viewpoint of Avicenna

Narjes Gorji, Reihaneh Moeini, Seyyedali Mozaffarpour, Morteza Mojahedi
DOI: 10.20452/pamw.3990
Published online: March 31, 2017
CCBYNCSACC BY-NC-SA 4.0

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