title: [Breath tests: noninvasive functional-related diagnostic tests in gastroenterology].
authors.forename: P
authors.initials: P
authors.lastname: Hildebrand
mesh_terms: D001944:Breath Tests; D002245:Carbon Dioxide / Q000032:analysis; D002250:Carbon Radioisotopes / Q000032:analysis; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D006859:Hydrogen / Q000032:analysis; D012680:Sensitivity and Specificity; D014508:Urea / Q000032:analysis
chemical_list: D002250:Carbon Radioisotopes; D002245:Carbon Dioxide; D006859:Hydrogen; D014508:Urea