Basu G, Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas K, Abraham AM, John GT. Acute kidney injury in tropical acute febrile illness in a tertiary care centre--RIFLE criteria validation. Nephrol Dial Transplant. 2011 Feb;26(2):524-31. doi: 10.1093/ndt/gfq477. Epub 2010 Aug 11. PMID: 20702532.

Boorugu H, Chrispal A, Gopinath KG, Chandy S, Prakash JJ, Abraham AM, Abraham OC, Thomas K. Central nervous system involvement in scrub typhus. Trop Doct. 2014 Jan;44(1):36-7. doi: 10.1177/0049475513512646. Epub 2013 Nov 12. PMID: 24226290. Link

Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas EM, Abraham AM, Abraham OC, Thomas K. Acute undifferentiated febrile illness in adult hospitalized patients: the disease spectrum and diagnostic predictors - an experience from a tertiary care hospital in South India. Trop Doct. 2010 Oct;40(4):230-4. doi: 10.1258/td.2010.100132. Epub 2010 Sep 24. PMID: 20870680. Link

Chrispal A, Boorugu H, Gopinath KG, Prakash JA, Chandy S, Abraham OC, Abraham AM, Thomas K. Scrub typhus: an unrecognized threat in South India - clinical profile and predictors of mortality. Trop Doct. 2010 Jul;40(3):129-33. doi: 10.1258/td.2010.090452. Epub 2010 Apr 1. PMID: 20360426. Link

Gopinath KG, Chrispal A, Boorugu H, Chandy S, Prakash JJ, Abraham AM, Abraham OC, Thomas K. Clinico-epidemiological profile of seven adults with spotted fever from a tertiary care hospital in South India. Trop Doct. 2014 Apr;44(2):89-91. doi: 10.1177/0049475513515478. Epub 2013 Dec 11. PMID: 24334402.

Iyyadurai R, Surekha V, Sathyendra S, Paul Wilson B, Gopinath KG. Azadirachtin poisoning: a case report. Clin Toxicol (Phila). 2010 Oct;48(8):857-8. doi: 10.3109/15563650.2010.518148. Epub 2010 Oct 8. PMID: 20932102.

Basu G, Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas K, Abraham AM, John GT. Acute kidney injury in tropical acute febrile illness in a tertiary care centre--RIFLE criteria validation. Nephrol Dial Transplant. 2011 Feb;26(2):524-31. doi: 10.1093/ndt/gfq477. Epub 2010 Aug 11. PMID: 20702532.

Boorugu H, Chrispal A, Gopinath KG, Chandy S, Prakash JJ, Abraham AM, Abraham OC, Thomas K. Central nervous system involvement in scrub typhus. Trop Doct. 2014 Jan;44(1):36-7. doi: 10.1177/0049475513512646. Epub 2013 Nov 12. PMID: 24226290. Link

Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas EM, Abraham AM, Abraham OC, Thomas K. Acute undifferentiated febrile illness in adult hospitalized patients: the disease spectrum and diagnostic predictors - an experience from a tertiary care hospital in South India. Trop Doct. 2010 Oct;40(4):230-4. doi: 10.1258/td.2010.100132. Epub 2010 Sep 24. PMID: 20870680. Link

Chrispal A, Boorugu H, Gopinath KG, Prakash JA, Chandy S, Abraham OC, Abraham AM, Thomas K. Scrub typhus: an unrecognized threat in South India - clinical profile and predictors of mortality. Trop Doct. 2010 Jul;40(3):129-33. doi: 10.1258/td.2010.090452. Epub 2010 Apr 1. PMID: 20360426. Link

Gopinath KG, Chrispal A, Boorugu H, Chandy S, Prakash JJ, Abraham AM, Abraham OC, Thomas K. Clinico-epidemiological profile of seven adults with spotted fever from a tertiary care hospital in South India. Trop Doct. 2014 Apr;44(2):89-91. doi: 10.1177/0049475513515478. Epub 2013 Dec 11. PMID: 24334402.

Iyyadurai R, Surekha V, Sathyendra S, Paul Wilson B, Gopinath KG. Azadirachtin poisoning: a case report. Clin Toxicol (Phila). 2010 Oct;48(8):857-8. doi: 10.3109/15563650.2010.518148. Epub 2010 Oct 8. PMID: 20932102.

Gopal GK, Wilson BP, Viggeswarpu S, Sathyendra S, Iyyadurai R, Visvanathan R, Mathews KP. Clinical Profile and Predictors of Outcomes in Older Inpatients with Pyelonephritis in a Tertiary Care Hospital in Southern India. J Clin Diagn Res. 2015 Oct;9(10):OC05-7. doi: 10.7860/JCDR/2015/15964.6616. Epub 2015 Oct 1. PMID: 26557554; PMCID: PMC4625273.

Nampoothiri K, Chrispal A, Begum A, Jasmine S, Gopinath KG, Zachariah A. A clinical study of renal tubular dysfunction in Cleistanthus collinus (Oduvanthalai) poisoning. Clin Toxicol (Phila). 2010 Mar;48(3):193-7. doi: 10.3109/15563651003641786. PMID: 20397801; PMCID: PMC2875161.

Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas EM, Abraham AM, Abraham OC, Thomas K. Acute undifferentiated febrile illness in adult hospitalized patients: the disease spectrum and diagnostic predictors - an experience from a tertiary care hospital in South India. Trop Doct. 2010 Oct;40(4):230-4. doi: 10.1258/td.2010.100132. Epub 2010 Sep 24. PMID: 20870680.

Chrispal A, Boorugu H, Gopinath KG, Chandy S, Prakash JA, Thomas EM, Abraham AM, Abraham OC, Thomas K. Acute undifferentiated febrile illness in adult hospitalized patients: the disease spectrum and diagnostic predictors - an experience from a tertiary care hospital in South India. Trop Doct. 2010 Oct;40(4):230-4. doi: 10.1258/td.2010.100132. Epub 2010 Sep 24. PMID: 20870680.

Chrispal A, Boorugu H, Gopinath KG, Prakash JA, Chandy S, Abraham OC, Abraham AM, Thomas K. Scrub typhus: an unrecognized threat in South India - clinical profile and predictors of mortality. Trop Doct. 2010 Jul;40(3):129-33. doi: 10.1258/td.2010.090452. Epub 2010 Apr 1. PMID: 20360426.

Samuel SV, Viggeswarpu S, Wilson BP, Gopinath KG. Acute colonic pseudo-obstruction in two patients admitted with severe acute respiratory syndrome-coronavirus-2 pneumonia. IDCases. 2021;25:e01205. doi: 10.1016/j.idcr.2021.e01205. Epub 2021 Jun 24. PMID: 34189047; PMCID: PMC82252

Rahman R, Wilson BP, Paul TV, Yadav B, Kango Gopal G, Viggeswarpu S. Prevalence and factors contributing to primary sarcopenia in relatively healthy older Indians attending the outpatient department in a tertiary care hospital: A cross-sectional study. Aging Med (Milton). 2021 Dec 17;4(4):257-265. doi: 10.1002/agm2.12186. PMID: 34964006; PMCID: PMC8711223.

Rahman R, Wilson BP, Paul TV, Yadav B, Kango Gopal G, Viggeswarpu S. Prevalence and factors contributing to primary sarcopenia in relatively healthy older Indians attending the outpatient department in a tertiary care hospital: A cross-sectional study. Aging Med (Milton). 2021 Dec 17;4(4):257-265. doi: 10.1002/agm2.12186. PMID: 34964006; PMCID: PMC8711223.

Agarwal A, Paul Wilson B, Kuruvilla Mathews P, Viggeswarpu S, Kango Gopal G. Amyloid cranial polyneuropathy: A rare neurological presentation of immunoglobulin light-chain amyloidosis. Aging Med (Milton). 2021 Feb 5;4(1):61-65. doi: 10.1002/agm2.12148. PMID: 33738383; PMCID: PMC7954838.