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Portone CR, Hapner ER, McGregor L, Otto K, Johns MM 3rd.Portone CR, et al. Among authors: hapner er.J Voice. 2007 Nov;21(6):723-7. doi: 10.1016/j.jvoice.2006.06.001. Epub 2006 Aug 1.J Voice. 2007.PMID: 16887328
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
Gilman M, Merati AL, Klein AM, Hapner ER, Johns MM.Gilman M, et al. Among authors: hapner er.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
White LJ, Hapner ER, Klein AM, Delgaudio JM, Hanfelt JJ, Jinnah HA, Johns MM 3rd.White LJ, et al. Among authors: hapner er.J Voice. 2012 Sep;26(5):667.e1-6. doi: 10.1016/j.jvoice.2011.08.011. Epub 2011 Dec 29.J Voice. 2012.PMID: 22209056Free PMC article.
Creighton FX, Hapner E, Klein A, Rosen A, Jinnah HA, Johns MM.Creighton FX, et al.J Voice. 2015 Sep;29(5):592-4. doi: 10.1016/j.jvoice.2013.10.022. Epub 2015 Apr 11.J Voice. 2015.PMID: 25873547Free PMC article.