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Klinger JR, Hill NS.Klinger JR, et al. Among authors: hill ns.Chest. 1991 Mar;99(3):715-23. doi: 10.1378/chest.99.3.715.Chest. 1991.PMID: 1995228Review.
Strumpf DA, Millman RP, Carlisle CC, Grattan LM, Ryan SM, Erickson AD, Hill NS.Strumpf DA, et al. Among authors: hill ns.Am Rev Respir Dis. 1991 Dec;144(6):1234-9. doi: 10.1164/ajrccm/144.6.1234.Am Rev Respir Dis. 1991.PMID: 1741532Clinical Trial.
Strumpf DA, Millman RP, Hill NS.Strumpf DA, et al. Among authors: hill ns.Chest. 1990 Aug;98(2):474-80. doi: 10.1378/chest.98.2.474.Chest. 1990.PMID: 2198144Review.No abstract available.