30-days mortality in patients with perforated peptic ulcer: A national audit

by Anne Nakano, Jørgen Bendix, Sven Adamsen, Daniel Buck, Jan Mainz, et al
Published 2008-11-01

Can quality improvement improve the quality of care? A systematic review of reported effects and methodological rigor in plan-do-study-act projects

by Søren Valgreen Knudsen, Henrik Vitus Bering Laursen, Søren Paaske Johnsen, Paul Daniel Bartels, Lars Holger Ehlers, Jan Mainz
Published 2019-10-01

Music to improve sleep quality in adults with depression-related insomnia (MUSTAFI): study protocol for a randomized controlled trial

by Helle Nystrup Lund, Inge Nygaard Pedersen, Søren Paaske Johnsen, Agnieszka M. Heymann-Szlachcinska, Maryla Tuszewska, Gustav Bizik, Jens Ivar Larsen, Eszter Kulhay, Anelia Larsen, Bettina Grønbech, Helle Østermark, Heidi Borup, Jan Brink Valentin, Jan Mainz
Published 2020-04-01