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