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.

Singh R, Balekuduru A, Simon EG, Alexander M, Pulimood A. The differentiation of amebic colitis from inflammatory bowel disease on endoscopic mucosal biopsies. Indian J Pathol Microbiol. 2015 Oct-Dec;58(4):427-32. doi: 10.4103/0377-4929.168880. PMID: 26549061.

John AM, Prakash JA, Simon EG, Thomas N. Edwardsiella tarda sepsis with multiple liver abscesses in a patient with Cushing's syndrome. Indian J Med Microbiol. 2012 Jul-Sep;30(3):352-4. doi: 10.4103/0255-0857.99503. PMID: 22885207.

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.

Dutta AK, Rebekah G, Chowdhury SD, Gangadharan SK, Subramani Y, Sahu MK, Kurien RT, David D, Simon EG, Joseph AJ, Donapati VR, Chacko A. A Simple Pre-endoscopy Score for Predicting Risk of Malignancy in Patients with Dyspepsia: A 5-Year Prospective Study. Dig Dis Sci. 2018 Dec;63(12):3442-3447. doi: 10.1007/s10620-018-5245-7. Epub 2018 Aug 14. PMID: 30109577.

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.

Singh R, Balekuduru A, Simon EG, Alexander M, Pulimood A. The differentiation of amebic colitis from inflammatory bowel disease on endoscopic mucosal biopsies. Indian J Pathol Microbiol. 2015 Oct-Dec;58(4):427-32. doi: 10.4103/0377-4929.168880. PMID: 26549061.

John AM, Prakash JA, Simon EG, Thomas N. Edwardsiella tarda sepsis with multiple liver abscesses in a patient with Cushing's syndrome. Indian J Med Microbiol. 2012 Jul-Sep;30(3):352-4. doi: 10.4103/0255-0857.99503. PMID: 22885207.

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.

Dutta AK, Rebekah G, Chowdhury SD, Gangadharan SK, Subramani Y, Sahu MK, Kurien RT, David D, Simon EG, Joseph AJ, Donapati VR, Chacko A. A Simple Pre-endoscopy Score for Predicting Risk of Malignancy in Patients with Dyspepsia: A 5-Year Prospective Study. Dig Dis Sci. 2018 Dec;63(12):3442-3447. doi: 10.1007/s10620-018-5245-7. Epub 2018 Aug 14. PMID: 30109577.

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.

Mahajan R, Simon EG. Urinary retention as a cause of hyponatremia in an elderly man. Indian J Clin Biochem. 2014 Apr;29(2):260-1. doi: 10.1007/s12291-013-0378-0. Epub 2013 Sep 4. PMID: 24757315; PMCID: PMC3990804.

Christopher DJ, Coelho V, Ebby GS, Shankar D, Gupta R, Thangakunam B. Incremental yield of Xpert® MTB/RIF Ultra over Xpert® MTB/RIF in the diagnosis of extrapulmonary TB. Int J Tuberc Lung Dis. 2021 Nov 1;25(11):939-944. doi: 10.5588/ijtld.21.0280. PMID: 34686237.

Pal S, Simon EG, Koshy AK, Ramakrishna BS, Raju RS, Vyas FL, Joseph P, Sitaram V, Eapen A. Spontaneous choledochal cyst rupture in pregnancy with concomitant chronic pancreatitis. Indian J Gastroenterol. 2013 Mar;32(2):127-9. doi: 10.1007/s12664-012-0286-x. Epub 2012 Dec 13. PMID: 23238690.

Jaleel R, Simon EG, Gupta P, Patnaik I, David D, Chowdhury SD. Retained biliary plastic stents - lest we forget. Trop Doct. 2021 Apr;51(2):177-180. doi: 10.1177/0049475520945443. Epub 2020 Aug 6. PMID: 32762304.

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.

Kini AT, Thangaraj KR, Simon E, Shivappagowdar A, Thiagarajan D, Abbas S, Ramachandran A, Venkatraman A. Aberrant Niche Signaling in the Etiopathogenesis of Ulcerative Colitis. Inflamm Bowel Dis. 2015 Nov;21(11):2549-61. doi: 10.1097/MIB.0000000000000523. PMID: 26197452.

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.

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.

Jose SK, Simon B, Simon EG, Eapen A, John RA, Putta T, Dutta AK, Pulimood AB. Comparison of Magnetic Resonance Enterography Global Score (MEGS) with indices of Crohn's disease activity in South Asian population. Abdom Radiol (NY). 2022 Feb;47(2):547-553. doi: 10.1007/s00261-021-03381-5. Epub 2021 Dec 27. PMID: 34958408.

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.

Mahajan R, Simon EG. Urinary retention as a cause of hyponatremia in an elderly man. Indian J Clin Biochem. 2014 Apr;29(2):260-1. doi: 10.1007/s12291-013-0378-0. Epub 2013 Sep 4. PMID: 24757315; PMCID: PMC3990804.

Jaleel R, Simon EG, Gupta P, Patnaik I, David D, Chowdhury SD. Retained biliary plastic stents - lest we forget. Trop Doct. 2021 Apr;51(2):177-180. doi: 10.1177/0049475520945443. Epub 2020 Aug 6. PMID: 32762304.

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.

Dutta AK, Uedo N, David D, Chandramohan J, Jain A, Patnayak I, Gupta P, Ayapati BK, Chatterjee K, Jaleel R, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Pulimood AB. Image-enhanced endoscopy for real-time differentiation between hyperplastic and fundic gland polyps in the stomach. Indian J Gastroenterol. 2022 Dec;41(6):599-609. doi: 10.1007/s12664-022-01278-9. Epub 2022 Dec 23. PMID: 36562941.

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.

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.

Chowdhury SD, Kurien RT, Ramachandran A, Joseph AJ, Simon EG, Dutta AK, David D, Kumar C B, Samuel P, Balasubramaniam KA. Pancreatic exocrine insufficiency: Comparing fecal elastase 1 with 72-h stool for fecal fat estimation. Indian J Gastroenterol. 2016 Nov;35(6):441-444. doi: 10.1007/s12664-016-0714-4. Epub 2016 Nov 23. PMID: 27878466.

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.

Simon EG, Dhus U, Rao AS, M K, Yedupati KR, George JT, K P, Swarna A, Somasundaram A, Ramakrishnan A, L V, Thomas D, V A, S P AM, M S R, Jha R, S J, Devakumar S, Pl A, Gade SV, Manickavasagam K, Agarwal D, V G MP, Prasad M, B M, Abirami D, T S C, B J G, Natrayan R, Sampathkumar HM, B S R, Chand N, S JJB, Ashokan S, S A, Srinivasan K, A A, N L, R S A, Kumar AEP, A R, N A R, A C A, Balaji G, P P, Verma S, V J. Clinical profile of 1208 newly diagnosed colorectal cancer patients in Tamil Nadu-A multi-centric survey. Indian J Gastroenterol. 2024 Feb 19. doi: 10.1007/s12664-023-01496-9. Epub ahead of print. PMID: 38372944.

Surendran, Suraj et al. “Clinical profile and treatment outcomes of Boerhaave's syndrome: A 13-year experience from an upper gastrointestinal surgical unit.” Turkish journal of surgery vol. 39,3 177-189. 27 Sep. 2023, doi:10.47717/turkjsurg.2023.5830

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.

George JT, Jaleel R, Dutta AK, Janeela A, Rao NV, Thomas A, John A, Joseph AJ, Kurien RT, Simon EG, Chowdhury SD. Prevalence of sexual dysfunction among men with irritable bowel syndrome. Frontline Gastroenterol. 2026 Jan 30;flgastro-2025-103520. doi:10.1136/flgastro-2025-103520

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