Lactase deficiency and a lactose-free diet in patients with "unspecific abdominal complaints".
D000328:Adult; D001706:Biopsy; D004796:Clinical Enzyme Tests; D004035:Diet Therapy; D005260:Female; D005696:Galactosidases / Q000032:analysis*; D006801:Humans; D007583:Jejunum / Q000201:enzymology; D007785:Lactose / Q000378:metabolism; D007787:Lactose Intolerance; D008297:Male; D008875:Middle Aged; D013997:Time Factors
D005696:Galactosidases; D007785:Lactose