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Christopher KL, Morris MJ.Christopher KL, et al. Among authors: morris mj.Otolaryngol Clin North Am. 2010 Feb;43(1):43-66, viii. doi: 10.1016/j.otc.2009.12.002.Otolaryngol Clin North Am. 2010.PMID: 20172256Review.
Morris MJ, Christopher KL.Morris MJ, et al.Prim Care Respir J. 2013 Sep;22(3):267-8. doi: 10.4104/pcrj.2013.00077.Prim Care Respir J. 2013.PMID: 23955334Free PMC article.No abstract available.