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Al-Alawi A, Mulgrew A, Tench E, Ryan CF.Al-Alawi A, et al. Among authors: ryan cf.J Clin Sleep Med. 2006 Jul 15;2(3):281-7.J Clin Sleep Med. 2006.PMID: 17561540
Fox N, Hirsch-Allen AJ, Goodfellow E, Wenner J, Fleetham J, Ryan CF, Kwiatkowska M, Ayas NT.Fox N, et al. Among authors: ryan cf.Sleep. 2012 Apr 1;35(4):477-81. doi: 10.5665/sleep.1728.Sleep. 2012.PMID: 22467985Free PMC article.Clinical Trial.
Ayas NT, FitzGerald JM, Fleetham JA, White DP, Schulzer M, Ryan CF, Ghaeli R, Mercer GW, Cooper P, Tan MC, Marra CA.Ayas NT, et al. Among authors: ryan cf.Arch Intern Med. 2006 May 8;166(9):977-84. doi: 10.1001/archinte.166.9.977.Arch Intern Med. 2006.PMID: 16682570
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Keenan SP, Anderson B, Wiggs B, Ryan CF, Fleetham JA.Keenan SP, et al. Among authors: ryan cf.Sleep. 1993 Dec;16(8 Suppl):S133-4. doi: 10.1093/sleep/16.suppl_8.s133.Sleep. 1993.PMID: 8178005
Fleetham JA, Ferguson KA, Lowe AA, Ryan CF.Fleetham JA, et al. Among authors: ryan cf.Sleep. 1996 Dec;19(10 Suppl):S288-90. doi: 10.1093/sleep/19.suppl_10.s288.Sleep. 1996.PMID: 9085534Review.