2009e-633 2009g-420 alaryngeal belcanto biography careandhygiene comicbooks communicationdisorders congresses control deglutitiondisorders diagnosis etc etiology georgia healthandhygiene hearingdisorders instructionandstudy languagedisorders laryngealdiseases larynx methods music mutepersons pathophysiology phonation physiologicalaspects physiology physiopathology prevention singers singing speech speech-languagepathology speechdisorders speechtherapy strips textbooks therapy throat treatment vocalcords voice webber woundsandinjuries wv500b942d1993 wv500c725u1996 wv500d275d2009 wv500v87151993 wv500v88792010 wv500w927v1996