[Sudden deafness caused by rupture of the round window membrane. Surgical indications, course and prognosis].Joachim C. Mertens, H. Rudert|PubMed|1986Cited by 9
[Flexible fiber endoscopy in ENT].Koichi Yamashita, H. Rudert, Joachim C. Mertens|PubMed|1984Cited by 2