title: [Quantitative determination of gastroduodenal reflux using phenol red].
mesh_terms: D004378:Duodenal Diseases / Q000175:diagnosis*; D005750:Gastric Juice / Q000032:analysis; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D008722:Methods; D010635:Phenolphthaleins; D010637:Phenolsulfonphthalein / Q000032:analysis; D013997:Time Factors
chemical_list: D010635:Phenolphthaleins; D010637:Phenolsulfonphthalein
vernacular_title: Kolichestvennoe opredelenie duodenogastral'nogo refluiksa s ispol'zovaniem fenolovogo krasnogo.