@article{UBHD-68560590,
  author={Wehrtmann, Fabian and Garza, Javier Rodrigo de la and Kowalewski, Karl-Friedrich and Schmidt, Mona Wanda and M{\"u}ller, Karolina and Probst, Pascal and Diener, Markus K. and M{\"u}ller, Beat P. and Nickel, Felix},
  title={Learning curves of laparoscopic roux-en-Y gastric bypass and sleeve gastrectomy in bariatric surgery},
  subtitle={a systematic review and introduction of a standardization},
  year={2020},
  pages={640-656},
  language={eng},
  issn={1708-0428},
  volume={30},
  number={2},
  note={Published online: 29 October 2019 ; Gesehen am 02.04.2020},
  journal={Obesity surgery},
  doi={10.1007/s11695-019-04230-7},
}