APA

National Digestive Diseases Information Clearinghouse (U.S.), . (2009). Testing for celiac disease. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Dieseases, National Digestive Diseases Information Clearinghouse.

Chicago

National Digestive Diseases Information Clearinghouse (U.S.), . 2009. Testing for celiac disease. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Dieseases, National Digestive Diseases Information Clearinghouse.

Harvard

National Digestive Diseases Information Clearinghouse (U.S.), . (2009). Testing for celiac disease. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Dieseases, National Digestive Diseases Information Clearinghouse.

MLA

National Digestive Diseases Information Clearinghouse (U.S.), . Testing for celiac disease. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Dieseases, National Digestive Diseases Information Clearinghouse. 2009.