Bilo, Grzegorz Breath holding as a specific type of breathing training from the viewpoint of Avicenna. Authors' reply. [electronic resource] - Polish archives of internal medicine 03 2017 - 215 p. digital Publication Type: Letter; Comment ISSN: 1897-9483 Standard No.: 10.20452/pamw.3991 doi Subjects--Topical Terms: Breath HoldingRespiration