@article{BroekerSinelnikovGustavusetal.2019,
  author    = {Katharine Br{\"o}ker and Evgeny Sinelnikov and Dirk Gustavus and Udo Schumacher and Ralf P{\"o}rtner and Hans Hoffmeister and Stefan L{\"u}th and Werner Dammermann},
  title     = {Mass Production of Highly Active NK Cells for Cancer Immunotherapy in a GMP Conform Perfusion Bioreactor},
  journal   = {Frontiers in Bioengineering and Biotechnology},
  volume    = {7},
  doi       = {10.3389/fbioe.2019.00194},
  year      = {2019},
}