24hrs pH impedance study | only available with Dr. Chirag Thakkar
24 Hour pH Study at Mission Gastro Hospital
High Resolution Oesophageal Manometry and pH Monitoring | Hull University Teaching Hospitals NHS Trust
Laryngopharyngeal pH monitoring (Restech) - Correlation with conventional 24-hour esophageal pH monitoring using a large patient collective of 100 patients with suspected gastroesophageal reflux disease - SAGES Abstract Archives