The crossbar (polyethylene) prosthesis for the improvement of hearing. Initial report.
D004432:Ear, Middle / Q000601:surgery*; D006309:Hearing; D006320:Hearing Tests; D020959:Polyethylene; D011095:Polyethylenes; D019736:Prostheses and Implants
D011095:Polyethylenes; D020959:Polyethylene
EAR, MIDDLE/surgery; POLYETHYLENES