Eichner H
Laryngol Rhinol Otol (Stuttg). 1980;59(12):790-6.
There are introduced three optic-systems, which have been developed and proved in our clinic. First is a optic for ear drum and middle ear endoscopy, second is the "lupenlaryngoepipharyngoscope", third is a lumina-vario-optic for documentation of findings in the larynx and the proximal trachea.
