Royal Australasian College of Surgeons, General Surgeons Australia. Tests, treatments and procedures clinicians and consumers should question. Recommendation 10: Choosing Wisely Australia. Sydney: NPS MedicineWise; Last reviewed 10 May 2017. http://www.choosingwisely.org.au/recommendations/racs#01713
Stachler RJ, Francis DO, Schwartz SR, Damask CC, Digoy GP, Krouse HJ, et al. Clinical Practice Guideline: Hoarseness (Dysphonia) (Update). Otolaryngol Head Neck Surg 2018;158(1_suppl):S1-S42. https://www.ncbi.nlm.nih.gov/pubmed/29494321