Lactase enzyme, detected immunohistochemically, is lost in active celiac disease, but unaffected by oats challenge.
Am J Gastroenterol. 1999 Oct;94(10):2936-41. doi: 10.1111/j.1572-0241.1999.01441.x.
Am J Gastroenterol. 1999.
PMID: 10520848