S. Loerke

Microendoscopy of the eustachian tube and the middle ear

Juergen U. G. Hopf, Johannes Tschepe, Karl H. Voege, 1992, Photonics West - Lasers and Applications in Science and Engineering.

Microendoscopy of the nasal cavity and the paranasal sinuses via their natural orifices

Gerhard J. Mueller, Juergen U. G. Hopf, Johannes Tschepe, 1992, Photonics West - Lasers and Applications in Science and Engineering.