http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Lactose intolerance and ulcerative colitis
GIRTANNER, Robert E.: -- Lactose intolerance and ulcerative colitis. -- Basel 1969. 13 S.8°. -- Basel,med.Diss.1969.