Intraoperative Autofluorescence Parathyroid Identification in Patients With Multiple Endocrine Neoplasia Type 1 Malcolm H. Squires, MD, MS; Lawrence A. Shirley, MD; Chengli Shen, PhD; et al. CLINICAL CHALLENGE Endoscopy Desquamatory Lesions of the Upper Aerodigestive Tract Mucosa Jérôme R. Lechien, MD, PhD, MSc; Francois Mouawad, MD, PhD, MSc Earn CME credit RESEARCH LETTER Prevalence of Eustachian Tube Dysfunction in Adults in the United States Alan Shan, BS; Bryan K. Ward, MD; Adele M. Goman, PhD; et al. COMMENT & RESPONSE Association of Singing With the Development of Vocal Disorders Nicole E. James, BSc; Stephenie Wei Qi Ong, LLB Invited Commentary: Choral Singing and Vocal Health—Young Choristers Are Not Harming by Harmonizing; Debra Jean Phyland, PhD, MAppSc, BAppSc Association of Singing With the Development of Pediatric Voice Disorders Robert T. Sataloff, MD, DMA Invited Commentary: Choral Singing and Vocal Health—Young Choristers Are Not Harming by Harmonizing; Debra Jean Phyland, PhD, MAppSc, BAppSc Association of Singing With the Development of Pediatric Voice Disorders—Reply Iwona Porebska, MD; Pedro Clarós, MD, PhD; Astrid Clarós-Pujol, MSc Invited Commentary: Choral Singing and Vocal Health—Young Choristers Are Not Harming by Harmonizing ; Debra Jean Phyland, PhD, MAppSc, BAppSc

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