title: [Comparative study of the lactose tolerance test by means of oral administration and duodenal instillation].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D004386:Duodenum; D005260:Female; D006801:Humans; D007441:Intubation, Gastrointestinal; D007785:Lactose / Q000008:administration & dosage*; D007787:Lactose Intolerance / Q000175:diagnosis*; D008297:Male; D008722:Methods; D008875:Middle Aged
chemical_list: D007785:Lactose
vernacular_title: Estudio comparativo del test de tolerancia a la lactosa efectuado por administración oral e instilación duodenal.