@article{HaydenLimbachSchuleretal.2021,
  author    = {Markus C. Hayden and Matthias Limbach and Michael Schuler and Steffen Merkl and Gabriele Schwarzl and Katalin Jakab and Dennis Nowak and Konrad Schultz},
  title     = {Effectiveness of a three-week inpatient pulmonary rehabilitation program for patients after COVID-19: a prospective observational study},
  journal   = {International Journal of Environmental Research and Public Health},
  volume    = {18},
  number    = {17},
  doi       = {10.3390/ijerph18179001},
  year      = {2021},
}