Lorenzen, Ulf
[Author];
Pohlmann, Markus
[Author];
Hansen, Jonathan Hendrik
[Author];
Klose, Phil
[Author];
Gruenewald, Matthias
[Author];
Renner, Jochen
[Author];
Elke, Gunnar
[Author]
Perioperative non-invasive versus semi-invasive cardiac index monitoring in patients with bariatric surgery - a prospective observational study