@article{SchmidGrieselFischeretal.2022,
  author    = {Benedikt Schmid and Mirko Griesel and Anna-Lena Fischer and Carolina S. Romero and Maria-Inti Metzendorf and Stephanie Weibel and Falk Fichtner},
  title     = {Awake prone positioning, high-flow nasal oxygen and non-invasive ventilation as non-invasive respiratory strategies in COVID-19 acute respiratory failure: a systematic review and meta-analysis},
  journal   = {Journal of Clinical Medicine},
  volume    = {11},
  number    = {2},
  doi       = {10.3390/jcm11020391},
  year      = {2022},
}