title: Twenty-four-hour esophageal intraluminal pH probe testing: a comparative analysis.
mesh_terms: D000704:Analysis of Variance; D001049:Apnea / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007223:Infant; D008297:Male; D011859:Radiography; D012141:Respiratory Tract Infections / Q000503:physiopathology; D013997:Time Factors