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When refering to evidence in academic writing, you should always try to reference the primary (original) source. That is usually the journal article where the information was first stated. In most cases Physiopedia articles are a secondary source and so should not be used as references. Physiopedia articles are best used to find the original sources of information (see the references list at the bottom of the article).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:22, 2 June 2009 | | 213 × 284 (26 KB) | Meredith Lu (talk | contribs) |
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| Camera manufacturer | Canon |
|---|---|
| Camera model | Canon PowerShot A520 |
| Exposure time | 1/60 sec (0.016666666666667) |
| F Number | f/2.6 |
| Date and time of data generation | 00:01, 1 January 1980 |
| Lens focal length | 5.8125 mm |
| Orientation | Normal |
| Horizontal resolution | 180 dpi |
| Vertical resolution | 180 dpi |
| Software used | Microsoft Windows Photo Gallery 6.0.6001.18000 |
| File change date and time | 20:56, 31 May 2009 |
| Y and C positioning | Centered |
| Exif version | 2.2 |
| Date and time of digitizing | 00:01, 1 January 1980 |
| Image compression mode | 3 |
| APEX shutter speed | 5.90625 |
| APEX aperture | 2.75 |
| APEX exposure bias | 0 |
| Maximum land aperture | 2.75 APEX (f/2.59) |
| Metering mode | Pattern |
| Flash | Flash fired, auto mode |
| Color space | sRGB |
| Focal plane X resolution | 10,142.857142857 |
| Focal plane Y resolution | 10,142.857142857 |
| Focal plane resolution unit | inches |
| Sensing method | One-chip color area sensor |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Digital zoom ratio | 1 |
| Scene capture type | Standard |
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