@article {Johansson, author = {M.C. Johansson and P. Eriksson and Y. Peker and J. Hedner and L. R{\r a}stam and U. Lindblad}, title = {The influence of patent foramen ovale on oxygen desaturation in obstructive sleep apnoea}, year = {2006}, doi = {10.1183/09031936.00035906}, publisher = {European Respiratory Society}, issn = {0903-1936}, URL = {https://erj.ersjournals.com/content/early/2006/09/27/09031936.00035906}, eprint = {https://erj.ersjournals.com/content/early/2006/09/27/09031936.00035906.full.pdf}, journal = {European Respiratory Journal} }