label: Prolonged (more than 1 hour, less than 24 hours) gastroesophageal reflux test of esophagus with nasal catheter intraluminal impedance electrodes placement, recording, analysis and interpretation
label_lc: prolonged (more than 1 hour, less than 24 hours) gastroesophageal reflux test of esophagus with nasal catheter intraluminal impedance electrodes placement, recording, analysis and interpretation