@article{UBHD-69354002,
  author={Daza Barragán, Jimmy Andres and Espinosa-Montagut, Nathally and Kautz, Achim and Langenbacher, Diane and Hetjens, Michael and Siegel, Fabian and Ebert, Matthias and Teufel, Andreas},
  title={Symptom reporting in patients with primary biliary cholangitis},
  subtitle={higher burden of symptom detection using an interactive app},
  year={2025},
  pages={170-178},
  language={eng},
  issn={1421-9875},
  volume={43},
  number={2 vom: Apr.},
  note={Online ver{\"o}ffentlicht: 14. Januar 2025 ; Gesehen am 05.06.2025},
  journal={Digestive diseases},
  doi={10.1159/000543229},
}
@article{UBHD-69239092,
  author={Gerhards, Catharina and Thiaucourt, Margot and Hetjens, Michael and Haselmann, Verena and Neumaier, Michael and Kittel, Maximilian},
  title={Heterologous vector-mRNA based SARS-CoV-2 vaccination strategy appears superior to a homologous vector-based vaccination scheme in German healthcare workers regarding humoral SARS-CoV-2 response indicating a high boosting effect by mRNA vaccines},
  year={2023},
  pages={1-17},
  language={eng},
  issn={2076-393X},
  volume={11},
  note={Gesehen am 31.07.2024},
  journal={Vaccines},
  doi={10.3390/vaccines11030701},
}
@article{UBHD-69236666,
  author={Gerhards, Catharina and Kittel, Maximilian and Ast, Volker and Bugert, Peter and Froelich, Matthias F. and Hetjens, Michael and Haselmann, Verena and Neumaier, Michael and Thiaucourt, Margot},
  title={Humoral SARS-CoV-2 Immune Response in COVID-19 Recovered Vaccinated and Unvaccinated Individuals Related to Post-COVID-Syndrome},
  year={2023},
  pages={1-18},
  language={eng},
  issn={1999-4915},
  volume={15},
  note={Gesehen am 23.07.2024},
  journal={Viruses},
  doi={10.3390/v15020454},
}
@article{UBHD-69193837,
  author={Gerhards, Catharina and Steingass, Marlene and Heininger, Alexandra and Lange, Bettina and Hetjens, Michael and Gerigk, Marlis and Neumaier, Michael and Evliyaoglu, Osman and Kittel, Maximilian},
  title={The impact of clinical factors and SARS-CoV-2 variants on antibody production in vaccinated German healthcare professionals infected either with the Delta or the Omicron variant},
  year={2024},
  pages={1-17},
  language={eng},
  issn={2076-393X},
  volume={12},
  note={Gesehen am 20.03.2024},
  journal={Vaccines},
  doi={10.3390/vaccines12020163},
}
@article{UBHD-68773771,
  author={Gerhards, Catharina and Thiaucourt, Margot and Kittel, Maximilian and Becker, Celine and Ast, Volker and Hetjens, Michael and Neumaier, Michael and Haselmann, Verena},
  title={Longitudinal assessment of anti-SARS-CoV-2 antibody dynamics and clinical features following convalescence from a COVID-19 infection},
  year={2021},
  pages={221-227},
  language={eng},
  issn={1878-3511},
  volume={107},
  note={Gesehen am 28.08.2021},
  journal={International journal of infectious diseases},
  doi={10.1016/j.ijid.2021.04.080},
}
@book{UBHD-69331185,
  author={Gierend, Kerstin and Herzog, Melanie and Hetjens, Michael and Langhals, Martina and M{\"a}nnle, David},
  organization={E-Science-Tage <2025, Heidelberg>},
  title={Clinical research data management in the UMM Data Integration Center},
  publisher={Universit{\"a}tsbibliothek Heidelberg},
  address={Heidelberg},
  year={2025},
  pages={1 Online-Ressource (1 Seite)},
  language={eng},
  note={E-Science-Tage 2025 ; Ort: Universit{\"a}t Heidelberg ; Datum: 12.03.2025 - 14.03.2025},
  doi={10.11588/heidok.00036357},
  url={https://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-363577},
  library={UB},
}
@article{UBHD-69264239,
  author={Ueter, Sophie and Taebi, Niki and Weiß, Christel and Hetjens, Michael and Reißfelder, Christoph and Blank, Susanne and Otto, Mirko and Yang, Cui},
  title={Study protocol for a non-inferiority, multicenter, randomized study to evaluate a smartphone app-based follow-up program after bariatric surgery (BELLA plus trial)},
  year={2024},
  pages={1-7},
  language={eng},
  issn={1559-2030},
  volume={144},
  number={Artikel-ID 107615$m9},
  note={Online verf{\"u}gbar: 27. Juni 2024, Artikelversion: 5. Juli 2024 ; Gesehen am 22.10.2024},
  journal={Contemporary clinical trials},
  doi={10.1016/j.cct.2024.107615},
}
@article{UBHD-69243749,
  author={Yang, Cui and Kessler, Mia and Taebi, Niki and Hetjens, Michael and Reißfelder, Christoph and Otto, Mirko and Vassilev, Georgi},
  title={Remote follow-up with a mobile application is equal to traditional outpatient follow-up after bariatric surgery},
  subtitle={the BELLA pilot trial},
  year={2023},
  pages={1702-1709},
  language={eng},
  issn={1708-0428},
  volume={33},
  number={6},
  note={Online ver{\"o}ffentlicht: 21. April 2023 ; Gesehen am 15.08.2024},
  journal={Obesity surgery},
  doi={10.1007/s11695-023-06587-2},
}