AcromegalyNEJM 322:966-977, Melmed,S., 1990
Vasodepressor Carotid Sinus SyncopeBMJ 289:720, Rentmeester,T.,et al, 1984
Causes of Recurrent Laryngeal Nerve ParalysisArch Otolaryngol 102:259-261, Titche,L.L., 1976