title: [Useful genetic test for lactase deficiency].
authors.forename: Petter
authors.initials: P
authors.lastname: Urdal
authors.forename: Olav
authors.initials: O
authors.lastname: Sandstad
authors.forename: Else Marit
authors.initials: EM
authors.lastname: Løberg
authors.forename: Kari Bente Foss
authors.initials: KB
authors.lastname: Haug
mesh_terms: D001944:Breath Tests / Q000379:methods; D006801:Humans; D043322:Lactase / Q000172:deficiency / Q000235:genetics*; D007787:Lactose Intolerance / Q000175:diagnosis / Q000235:genetics*; D007789:Lactose Tolerance Test / Q000379:methods; D020641:Polymorphism, Single Nucleotide
chemical_list: D043322:Lactase