Aphoniareferstothesymptomsandsignsofhoarsenessofvoiceandfailureinpronunciation.Aphoniamayoccurinacuteandchroniclaryngitis,tuberculouslaryngitis,injuryofvocalcords,laryngealpolypandhysteriaofWesternmedicine.Thediseasemaybecausedbywind-cold,drynessandheatca (共 8106 字) [阅读本文] >>