“…Previous papers [11][12][13][14][15][16][17][18] have been devoted to a systematic discussion of laryngeal paralysis from the various viewpoints of anatomy, neurophysiology, pathology, laryngeal acoustics, vocal symptomatology, and the very complex interrelations among the physical, functional, emotional, and psychoauditory factors that determine the outcome of any laryngeal lesion in the individual case. It was shown that numerous details of laryngeal physiology and pathology are now known with considerable certainty.…”