Experimental construction of a "new" eustachian tube.
D004322:Drainage / Q000379:methods; D004432:Ear, Middle / Q000601:surgery; D005064:Eustachian Tube / Q000033:anatomy & histology / Q000601:surgery*; D049671:History, 18th Century; D049673:History, 20th Century; D006801:Humans; D010036:Otolaryngology / Q000266:history