Abnormal patency of the eustachian tube.
D004427:Ear Diseases / Q000175:diagnosis / Q000188:drug therapy; D005064:Eustachian Tube / Q000033:anatomy & histology / Q000502:physiology; D005260:Female; D005990:Glycerol / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D011138:Polytetrafluoroethylene
D011138:Polytetrafluoroethylene; D005990:Glycerol