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Mattlage AE, Redlin SA, Rosterman LR, Harn N, Sisante JV, Abraham MG, Billinger SA.Mattlage AE, et al.Cardiopulm Phys Ther J. 2016 Jul;27(3):96-103.Cardiopulm Phys Ther J. 2016.PMID: 27478424Free PMC article.