DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Oesophageal manometry and pH testing. Patient being fitted with oesophageal manometry and pH monitoring equipment. The former allows the motor function of the oesophagus to be tested, while the latter is used to diagnose conditions such as gastro-oesophageal reflux disease (GORD).
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