N. Hoepffner

Variations in the light absorption coefficients of phytoplankton, nonalgal particles, and dissolved organic matter in coastal waters around Europe

Marcel Babin, Dariusz Stramski, Giovanni M. Ferrari et al. · Journal of Geophysical Research Atmospheres · 2003 · 970 citations · Full text

Engineering, Absorption Properties, Marine Chemistry +16

Polypoid tumors of the major duodenal papilla: preoperative staging with intraductal US, EUS, and CT — a prospective, histopathologically controlled study

Josef Menzel, N. Hoepffner, U. Sulkowski et al. · Gastrointestinal Endoscopy · 1999 · 152 citations

Surgical Pathology, Intraductal Us, Surgery +3

A motor-driven single-use colonoscope controlled with a hand-held device: a feasibility study in volunteers

Thomas Rösch, Andreas Adler, Heiko Pohl et al. · Gastrointestinal Endoscopy · 2008 · 100 citations

Hand-held Device, Kinesiology, Assistive Technology +9

High Cecal Intubation Rates With a New Computer-Assisted Colonoscope: A Feasibility Study

Stefan Groth, Douglas K. Rex, Thomas Rösch et al. · The American Journal of Gastroenterology · 2011 · 75 citations · Full text

New introducer PEG gastropexy does not require prophylactic antibiotics: multicenter prospective randomized double-blind placebo-controlled study

Yogesh M. Shastri, N. Hoepffner, Angelika Tessmer et al. · Gastrointestinal Endoscopy · 2008 · 69 citations

Double-blind Placebo-controlled Study, Preventive Medicine, Prophylactic Antibiotics +7