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Plus de Ernesto Ramirez (20)
Tracking and improving my lung function - Christian Kleineidam
- 4. Testing FEV1 is
cheaper than VC:
Equipment costs less
than 100€
http://www.spiegel.de/panorama/gesellschaft/0,1518,778467,00.html
- 5. Try it at home and
see whether you
feel better