Dutta AK, Sajith KG, Shah G, Pulimood AB, Simon EG, Joseph AJ, Chacko A. Duodenal villous morphology assessed using magnification narrow band imaging correlates well with histology in patients with suspected malabsorption syndrome. Dig Endosc. 2014 Nov;26(6):720-5. doi: 10.1111/den.12285. Epub 2014 Mar 26. PMID: 24666384.

Chowdhury SD, Joseph AJ, Pulimood A, Eapen A, Abraham V, John J, Chacko A. A gastric submucosal mass. Gut. 2010 Mar;59(3):291, 347. doi: 10.1136/gut.2009.181974. PMID: 20207634.

Joseph AJ, George B, Pulimood AB, Seshadri MS, Chacko A. 25 (OH) vitamin D level in Crohn's disease: association with sun exposure & disease activity. Indian J Med Res. 2009 Aug;130(2):133-7. PMID: 19797809.

Bharath Kumar C, Chowdhury SD, Ghatak SK, Sreekar D, Kurien RT, David D, Dutta AK, Simon EG, Joseph AJ. Immediate and long-term outcome of corrosive ingestion. Indian J Gastroenterol. 2019 Aug;38(4):356-361. doi: 10.1007/s12664-019-00978-z. Epub 2019 Oct 23. PMID: 31643028.

Chowdhury SD, Kurien RT, Pal S, Jeyaraj V, Joseph AJ, Dutta AK, Chandramohan A, Abraham D, Augustine J, Hephzibah J, Simon EG. Acute pancreatitis and hyperparathyroidism: a case series. Indian J Gastroenterol. 2014 Mar;33(2):175-7. doi: 10.1007/s12664-013-0430-2 . Epub 2014 Jan 14. PMID: 24419705.

Joseph AJ, Kapoor N, Simon EG, Chacko A, Thomas EM, Eapen A, Abraham DT, Jacob PM, Paul T, Rajaratnam S, Thomas N. Endoscopic ultrasonography--a sensitive tool in the preoperative localization of insulinoma. Endocr Pract. 2013 Jul-Aug;19(4):602-8. doi: 10.4158/EP12122.OR. PMID: 23425640.

Dutta AK, Sajith KG, Shah G, Pulimood AB, Simon EG, Joseph AJ, Chacko A. Duodenal villous morphology assessed using magnification narrow band imaging correlates well with histology in patients with suspected malabsorption syndrome. Dig Endosc. 2014 Nov;26(6):720-5. doi: 10.1111/den.12285. Epub 2014 Mar 26. PMID: 24666384.

Chowdhury SD, Joseph AJ, Pulimood A, Eapen A, Abraham V, John J, Chacko A. A gastric submucosal mass. Gut. 2010 Mar;59(3):291, 347. doi: 10.1136/gut.2009.181974. PMID: 20207634.

Joseph AJ, George B, Pulimood AB, Seshadri MS, Chacko A. 25 (OH) vitamin D level in Crohn's disease: association with sun exposure & disease activity. Indian J Med Res. 2009 Aug;130(2):133-7. PMID: 19797809.

Bharath Kumar C, Chowdhury SD, Ghatak SK, Sreekar D, Kurien RT, David D, Dutta AK, Simon EG, Joseph AJ. Immediate and long-term outcome of corrosive ingestion. Indian J Gastroenterol. 2019 Aug;38(4):356-361. doi: 10.1007/s12664-019-00978-z. Epub 2019 Oct 23. PMID: 31643028.

Chowdhury SD, Kurien RT, Pal S, Jeyaraj V, Joseph AJ, Dutta AK, Chandramohan A, Abraham D, Augustine J, Hephzibah J, Simon EG. Acute pancreatitis and hyperparathyroidism: a case series. Indian J Gastroenterol. 2014 Mar;33(2):175-7. doi: 10.1007/s12664-013-0430-2 . Epub 2014 Jan 14. PMID: 24419705.

Joseph AJ, Kapoor N, Simon EG, Chacko A, Thomas EM, Eapen A, Abraham DT, Jacob PM, Paul T, Rajaratnam S, Thomas N. Endoscopic ultrasonography--a sensitive tool in the preoperative localization of insulinoma. Endocr Pract. 2013 Jul-Aug;19(4):602-8. doi: 10.4158/EP12122.OR. PMID: 23425640.

Boaz RT, Joseph AJ, Kang G, Bose A. Intestinal permeability in normally nourished and malnourished children with and without diarrhea. Indian Pediatr. 2013 Jan 8;50(1):152-3. doi: 10.1007/s13312-013-0030-3. PMID: 23396789.

Patil AP, Simon EG, Dutta AK, Joseph AJ, Kurien RT, Chowdhury SD. Prevalence of serological markers of hepatitis B in inflammatory bowel disease - Experience from a tertiary care centre in South India. Trop Doct. 2021 May 21:494755211015571. doi: 10.1177/00494755211015571. Epub ahead of print. PMID: 34018886.

John SM, Thomas RJ, Kaki S, Sharma SL, Ramanujam K, Raghava MV, Koshy B, Bose A, Rose A, Rose W, Ramachandran A, Joseph AJ, Babji S, Kang G. Establishment of the MAL-ED birth cohort study site in Vellore, Southern India. Clin Infect Dis. 2014 Nov 1;59 Suppl 4:S295-9. doi: 10.1093/cid/ciu390. PMID: 25305300.

Kalra P, John A, Jaleel R, Simon EG, Babji S, Joseph AJ. Prevalence of past hepatitis A infection among Crohn's patients and controls - An examination of the 'hygiene hypothesis', and the need for hepatitis A vaccination. Trop Doct. 2021 Apr;51(2):193-197. doi: 10.1177/0049475520961949. Epub 2020 Oct 13. PMID: 33050841.

Simon EG, Joseph AJ, George B, Zachariah UG, Jeyamani R, Eapen CE, Chandy G, Ramakrishna BS, Kurian G, Chacko A. Aetiology of paediatric portal hypertension - experience of a tertiary care centre in South India. Trop Doct. 2009 Jan;39(1):42-4. doi: 10.1258/td.2008.080050. PMID: 19211426.

Joseph AJ, George B, Pulimood AB, Seshadri MS, Chacko A. 25 (OH) vitamin D level in Crohn's disease: association with sun exposure & disease activity. Indian J Med Res. 2009 Aug;130(2):133-7. PMID: 19797809.

Chowdhury SD, Chacko A, Ramakrishna BS, Dutta AK, Augustine J, Koshy AK, Simon EG, Joseph AJ. Clinical profile and outcome of chronic pancreatitis in children. Indian Pediatr. 2013 Nov 8;50(11):1016-9. doi: 10.1007/s13312-013-0281-z. Epub 2013 May 5. PMID: 23798627.

Prabha R, Mathew SK, Joseph A J, Mathew BS. Determination of thiopurine S-methyltransferase activity using reverse-phase high-performance liquid chromatography assay with ultraviolet detection: Reference values for the Indian population. J Pharmacol Pharmacother 2019;10:105-10 Link

Perumalla S, Mathew L, Mathew J, Naina P, Joseph AJ, Prakash JAJ, Peter D. Clinical profile of hereditary angioedema from a tertiary care centre in India. Indian J Med Microbiol. 2021 Oct-Dec;39(4):509-512. doi: 10.1016/j.ijmmb.2021.03.021. Epub 2021 Apr 29. PMID: 33934932.

Masih D, Chandramohan J, Sigamani E, Fouzia NA, Korula A, Simon E, Joseph AJ, Pulimood A, Manipadam MT. Comparison of primary follicular lymphoma of gastrointestinal tract and secondary involvement: A study from South India. Indian J Pathol Microbiol. 2022 Jan-Mar;65(1):137-141. doi: 10.4103/IJPM.IJPM_1320_20. PMID: 35074979.

Thangaraj KR, Priyadarshini SJ, Qureshi IN, Joseph AJ, Balasubramanian KA, Ramachandran A. Plasma Citrulline, Glycans, and Hydrogen Sulfide in Patients With Acute Pancreatitis: Possible Markers of Intestinal Damage. Pancreas. 2016 Jul;45(6):e27-9. doi: 10.1097/MPA.0000000000000593. PMID: 27295536.

Rymbai ML, Paul A, M J A, Anantrao AS, John R, Simon B, Joseph AJ, Raju RS, Sitaram V, Joseph P. Post cholecystectomy benign biliary stricture-isolated hepatic duct stricture: a proposed modification of the BISMUTH classification. ANZ J Surg. 2023 Jan 24. doi: 10.1111/ans.18281. Epub ahead of print. PMID: 36694342.

Chatterjee K, Dutta AK, Goel A, Aaron R, Balakrishnan V, Thomas A, John A, Jaleel R, David D, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Premkumar P, Pulimood AB. Common polymorphisms of protein tyrosine phosphate non-receptor type 2 gene are not associated with risk of Crohn's disease in Indian. World J Gastrointest Pathophysiol. 2022 Jul 22;13(4):114-123. doi: 10.4291/wjgp.v13.i4.114. PMID: 36161231; PMCID: PMC9350595.

Kurien RT, Chowdhury SD, Unnikrishnan LS, Simon EG, Dutta AK, Mahanta K, Alex T, Joseph AJ. Endoscopic treatment of a duodenal duplication cyst. Endoscopy. 2014;46 Suppl 1 UCTN:E583-4. doi: 10.1055/s-0034-1377551. Epub 2014 Dec 11. PMID: 25502250.

Simon EG, Chacko A, Dutta AK, Joseph AJ, George B. Acute nonvariceal upper gastrointestinal bleeding--experience of a tertiary care center in southern India. Indian J Gastroenterol. 2013 Jul;32(4):236-41. doi: 10.1007/s12664-013-0305-6. Epub 2013 Mar 26. PMID: 23526425.

John A, Chowdhury SD, Kurien RT, David D, Dutta AK, Simon EG, Abraham V, Joseph AJ, Samarasam I. Self-expanding metal stent in esophageal perforations and anastomotic leaks. Indian J Gastroenterol. 2020 Oct;39(5):445-449. doi: 10.1007/s12664-020-01078-z. Epub 2020 Oct 1. PMID: 33001339.

Mahajan R, Kurien RT, Joseph AJ, Dutta AK, Chowdhury SD. Squamous papilloma of esophagus. Indian J Gastroenterol. 2016 Mar;35(2):151. doi: 10.1007/s12664-016-0642-3. PMID: 27138928.

Kumbhar G, Dhar Chowdhury S, Benjamin S, Kurien RT, Thomas A, Dutta A, Simon EG, Joseph AJ. Pregnancy Outcomes in Patients with Early-Onset Idiopathic Chronic Pancreatitis. Dig Dis Sci. 2023 Nov 20. doi: 10.1007/s10620-023-08174-y. Epub ahead of print. PMID: 37985535.

Ramasamy J, Jagadish C, Sukumaran A, Varghese J, Mani T, Joseph AJ, Simon EG, Jacob M. Low Serum Hepcidin Levels in Patients with Ulcerative Colitis - Implications for Treatment of Co-existent Iron-Deficiency Anemia. Inflammation. 2023 Dec;46(6):2209-2222. doi: 10.1007/s10753-023-01872-9. Epub 2023 Jul 24. Erratum in: Inflammation. 2023 Aug 11 PMID: 37486527

Joseph AJ, Simon EG, Chandran S, Chacko A. Pancreatic juice crystals: is it an early marker of chronic pancreatitis? Gastrointest Endosc. 2009 Mar;69(3 Pt 1):593-5. doi: 10.1016/j.gie.2008.05.012. Epub 2008 Aug 8. PMID: 18691711.

Kumar SE, Jaleel R, Varghese T, Praharaj I, Benny S, Chowdhury SD, Thomas R, Simon E, Joseph AJ, Dutta AK. Fecal calgranulin as a potential screening tool to differentiate inflammatory bowel disease from irritable bowel syndrome. Indian J Gastroenterol. 2024 Jan 23. doi: 10.1007/s12664-024-01525-1. Epub ahead of print. PMID: 38261246.

George JT, Thomas A, Jaleel R, Paul GJS, John A, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Dutta AK. Bile Culture May Guide Antibiotic Stewardship in Acute Bacterial Cholangitis. Dig Dis Sci. 2024 Mar 8. doi: 10.1007/s10620-024-08289-w. Epub ahead of print. PMID: 38457116.

Ps S, Paul A, Kanamathareddy HV, Aj J. Isolated pancreatic tuberculosis presenting as mucinous cystic lesion. BMJ Case Rep. 2024 Oct 16;17(10):e262543. doi: 10.1136/bcr-2024-262543. PMID: 39414324.

Dutta AK, Chinthala H, George JT, Thomas DM, Joseph Joseph A. Anemia in inflammatory bowel disease-A comprehensive review. Indian J Gastroenterol. 2025 Aug;44(4):430-442. doi: 10.1007/s12664-024-01735-7. Epub 2025 Feb 15. PMID: 39954228.

Benny S, Mathews NV, Thomas A, John A, Kurien RT, Chowdhury SD, Dutta AK, Simon EG, Joseph AJ, Jaleel R. Abbreviated anorectal biofeedback therapy is beneficial in symptomatic improvement of functional defecatory disorder. Indian J Gastroenterol. 2026 Aug;45(4):767-769. doi: 10.1007/s12664-025-01752-0. PMID: 40072833. Link