Lactase deficiency and a lactose-free diet in patients with "unspecific abdominal complaints".
Acta Med Scand. 1969 Sep;186(3):217-22. doi: 10.1111/j.0954-6820.1969.tb01466.x.
Acta Med Scand. 1969.
PMID: 5363498
No abstract available.