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File:Spiro calibration.jpg
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IMCB members Ramana Dhara, Jerry Havens & Birger Heinzow calibrate a spirometer; Jan 1994
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:07, 2 March 2010 | | 997 × 1,024 (221 KB) | wikimediacommons>Chris Capoccia | Straightened and cropped. |
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