@article{KoehrmannSchellingerTsivgoulisetal.2019,
  author    = {Martin K{\"o}hrmann and Peter Dieter Schellinger and Georgios Tsivgoulis and Thorsten Steiner},
  title     = {Patent foramen ovale : story closed?},
  journal   = {Journal of stroke},
  volume    = {21},
  number    = {1},
  pages     = {23 -- 30},
  doi       = {10.5853/jos.2018.03097},
  year      = {2019},
}