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Berg EE, Hapner E, Klein A, Johns MM 3rd.Berg EE, et al.J Voice. 2008 Jan;22(1):70-4. doi: 10.1016/j.jvoice.2006.09.002. Epub 2006 Oct 25.J Voice. 2008.PMID: 17070009
Leu G, Klein AM, Deyrup AT, Johns MM 3rd.Leu G, et al. Among authors: klein am.Arch Otolaryngol Head Neck Surg. 2007 Jan;133(1):94, 96. doi: 10.1001/archotol.133.1.94.Arch Otolaryngol Head Neck Surg. 2007.PMID: 17224535No abstract available.
Klein AM, Johns MM 3rd.Klein AM, et al.Otolaryngol Clin North Am. 2007 Oct;40(5):1063-80, vii. doi: 10.1016/j.otc.2007.05.009.Otolaryngol Clin North Am. 2007.PMID: 17765695Review.
Gilman M, Merati AL, Klein AM, Hapner ER, Johns MM.Gilman M, et al. Among authors: klein am.J Voice. 2009 Mar;23(2):225-8. doi: 10.1016/j.jvoice.2007.08.003. Epub 2007 Nov 26.J Voice. 2009.PMID: 18037270
Klein AM, Lehmann M, Hapner ER, Johns MM 3rd.Klein AM, et al.J Voice. 2009 Jan;23(1):132-5. doi: 10.1016/j.jvoice.2007.07.001. Epub 2008 Jan 11.J Voice. 2009.PMID: 18191376
Klein AM, Stong BC, Wise J, DelGaudio JM, Hapner ER, Johns MM 3rd.Klein AM, et al.Otolaryngol Head Neck Surg. 2008 Sep;139(3):421-3. doi: 10.1016/j.otohns.2008.06.013.Otolaryngol Head Neck Surg. 2008.PMID: 18722224
Contag SP, Klein AM, Blount AC, Johns MM 3rd.Contag SP, et al. Among authors: klein am.Laryngoscope. 2009 Jan;119(1):211-5. doi: 10.1002/lary.20018.Laryngoscope. 2009.PMID: 19117283
Braden MN, Johns MM 3rd, Klein AM, Delgaudio JM, Gilman M, Hapner ER.Braden MN, et al. Among authors: klein am.J Voice. 2010 Mar;24(2):242-9. doi: 10.1016/j.jvoice.2008.08.003. Epub 2009 May 28.J Voice. 2010.PMID: 19481417
Shewmaker MB, Hapner ER, Gilman M, Klein AM, Johns MM 3rd.Shewmaker MB, et al. Among authors: klein am.J Voice. 2010 May;24(3):308-13. doi: 10.1016/j.jvoice.2008.09.002. Epub 2009 Jun 3.J Voice. 2010.PMID: 19497708Clinical Trial.