. "R J Vonk" . . . . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@sq . . "H A Koetse" . . "wetenschappelijk artikel"@nl . . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@en . "10.1080/00365529950172808" . "F Stellaard" . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@sq . "C M Bijleveld" . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@nl . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@en . "1999-01-01T00:00:00Z"^^ . "1" . "10048730" . "R Boverhof" . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@en . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@nl . "R van der Meer" . "35-40" . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0441\u0456\u0447\u043D\u0456 1999"@uk . "artikull shkencor i botuar m\u00EB 01 janar 1999"@sq . . . . . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@nl . "P J Sauer" . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xineru de 1999"@ast . "scientific article published on 01 January 1999"@en . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@en . . "34" . . "H Elzinga" . . "Non-invasive detection of low-intestinal lactase activity in children by use of a combined 13CO2/H2 breath test"@sq . . "im Januar 1999 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . .