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American journal of respiratory and critical care medicine [Am J Respir Crit Care Med] 2020 Oct 01; Vol. 202 (7), pp. 1035-1036.Publisher: American Thoracic Society Country of Publication: United States NLM ID: 9421642 Publication Model: Print Cited Medium: Internet ISSN:
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Chest [Chest] 2008 May; Vol. 133 (5), pp. 1167-73. Date of Electronic Publication: 2008 Feb 08.Publisher: Elsevier Country of Publication: United States NLM ID: 0231335 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0012-3692