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Welcome to OCCSPIRO.COM: Spirometry Training Web-site

Web-based: Spirometry Training for Physicians or Spirometry Training for Technicians

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Spirometry Training for Physicians  Spirometry Training for Technicians
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How do reference values compare?  Check-out our reference calculator and compare Hankinson (NHANES III) to Knudson.  Also, try our practice or sample tests site ( and our commom problems page (

Click Here to see if your browser will display the images and videos on our training site.

Revised  06/15/2017