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Hyperpolarised 3He MRI versus HRCT in COPD and normal volunteers: PHIL trial.
van Beek EJ, Dahmen AM, Stavngaard T, Gast KK, Heussel CP, Krummenauer F, Schmiedeskamp J, Wild JM, Søgaard LV, Morbach AE, Schreiber LM, Kauczor HU. van Beek EJ, et al. Among authors: morbach ae. Eur Respir J. 2009 Dec;34(6):1311-21. doi: 10.1183/09031936.00138508. Epub 2009 Jun 18. Eur Respir J. 2009. PMID: 19541712 Free article. Clinical Trial.