1 Stachler RJ,Francis Do,Schwartz SR,et al.Clinical practice guideline:hoarseness(dysphonia)(update)[J].Otolaryngol Head Neck Surg.2018,158(1suppl):S1.

2 Chen SM,Kim J,Roy N,et al.Prevalence and causes of dysphoniain a large treatment-seeking population[J].Laryngoscope,2012,122:343.

3 Verdolini K,Ramig LO.Review:occupational risks for voice problems[J].Logoped Phoniatr Vocol,2001,26:37.

4 Smith MM,Abrol A,Gardner GM.Assessing delays in laryngeal cancer treatment[J].Laryngoscope,2016,126:1612.

5 Rice HE,Frush DP,Farmer D,et al.Review of radiation risks from computed tomography:essentials for the pediatric surgeon[J].J Pediatr Surg,2007,42:603.

6 Ruiz R,Jeswani S,Andrews K,et al.Hoarseness and laryngopharyngeal reflux:a survey of primary care physician practice patterns[J].JAMA Otolaryngol Head Neck Surg,2014,140:192.

7 Sulica L.Hoarseness misattributed to reflux:sources and patterns of error[J].Ann Otol Rhinol Laryngol,2014,123:442.

8 Reimer C.Safety of long-term PPI therapy[J].Best Pract Res Clin Gastroenterol,2013,27:443.

9 Chmielewska M,Akst LM.Dysphonia associated with the use of inhaled corticosteroids[J].Opin Otolaryngol Head Neck Surg,2015,23:255.

10 Govil N,Rafii BY,Paul BC,et al.Glucocorticoids for vocal fold disease:a survey of otolaryngologists[J].J Voice,2014,28:82.

11 American Speech-Language-Hearing Association.The use of voice therapy in the treatment of dysphonia[technical report].http://www.asha.org/policy.Published 2005.Accessed June 25,2016.

12 Misono S,Marmor S,Roy N,et al.Multi-institutional study ofvoice disorders and voice therapy referral:report from the CHEERNetwork[J].Otolaryngol Head Neck Surg,2016,155:33.

13 Pasquale K,Wiatrak B,Woolley A,et al.Microdebrider versus CO2laser removal of recurrent respiratory papillomas:aprospective analysis[J].Laryngoscope,2003,113:139.

14 Mohammed H,Masterson L,Gendy S,et al.Outpatientbased injection laryngoplasty for the management of unilateral vocal fold paralysis-clinical outcomes from a UK centre[J].Clin Otolaryngol,2016,41:341.

15 Daniero JJ,Garrett CG,Francis DO.Framework surgery for treatment of unilateral vocal fold paralysis[J].Curr Otorhinolaryngol Rep,2014,2:119.

16 Zur KB,Carroll LM.Recurrent laryngeal nerve reinnervation in children:acoustic and endoscopic characteristics preintervention and post-intervention.A comparison of treatment options[J].Laryngoscope,2015,125:S1.

17 Blitzer A.Spasmodic dysphonia and botulinum toxin:experiencefrom the largest treatment series[J].Eur J Neurol,2010,17:28.

18 Orbelo DM,Duffy JR,Hughes Borst BJ,et al.Differences in botulinum toxin dosing between patients with adductor spasmodic dysphonia and essential voice tremor[J].J Voice,2014,28:123.

19 Damrose EJ,Damrose JF.Botulinum toxin as adjunctive therapy in refractory laryngeal granuloma[J].J Laryngol Otol,2008,122:824.