Physical and pH properties of gastroesophagopharyngeal refluxate: a 24-hour simultaneous ambulatory impedance and pH monitoring study.
Am J Gastroenterol. 2004 Jun;99(6):1000-10. doi: 10.1111/j.1572-0241.2004.30349.x.
Am J Gastroenterol. 2004.
PMID: 15180717