https://www.prematuro.cl/NALS/Oxigeno/PaO2.pdf

https://qualitat.cc/sitebuildercontent/sitebuilderfiles/cooximetria.pdf

https://ocw.unican.es/course/view.php?id=45#section-3

https://fisiologia.facmed.unam.mx/index.php/transporte-de-o2-y-co2/