McClendon_pH-probe.png (132 × 455 pixels, file size: 16 KB, MIME type: image/png)
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current | 18:35, 14 April 2008 | ![]() | 132 × 455 (16 KB) | Gastroscan | {{Information |Description=The first gastroenterology pH-probe by Jesse F. McClendon |Source=Amer. J. Physoil., 1915, 38, 2, 180 |Date=1915 |Author=McClendon, Jesse |Permission= |other_versions= }} {{PD-US}} |
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