DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Editorial use only.
Oesophageal manometry and pH testing 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). This is the control panel and data recorder, showing pressure and pH readings.
Model release not required. Property release not available.