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. Author manuscript; available in PMC: 2010 May 17.
Published in final edited form as: Otolaryngol Head Neck Surg. 2008 Dec;139(6):759–765. doi: 10.1016/j.otohns.2008.09.020

Figure 1.

Figure 1

Study selection. SF-8 = 8-Item Short Form Health Survey; SF-12 = 12-Item Short Form Health Survey SF-36 = 36-Item Short Form Health Survey