Can Duodenal Biopsy Be Omitted in Patient With Positive Serum tTGA Antibody in The Diagnosis of Celiac Disease? duodenal biopsy in patient with positive serum tTGA antibody in the diagnosis of celiac disease?. Iraqi Natl J Med [Internet]. 2022 Jul. 1 [cited 2025 Apr. 11];4(2):169-74. Available from: https://iqnjm.com/index.php/homepage/article/view/80