Gorji, Narjes Breath holding as a specific type of breathing training from the viewpoint of Avicenna. [electronic resource] - Polish archives of internal medicine 03 2017 - 214-215 p. digital Publication Type: Letter; Comment ISSN: 1897-9483 Standard No.: 10.20452/pamw.3990 doi Subjects--Topical Terms: Breath HoldingRespiration