Bakthavatchalam YD, Ralph R, Veeraraghavan B, Babu P, Munusamy E. Evidence from an In Vitro Study: Is Oxacillin Plus Vancomycin a Better Choice for Heteroresistant Vancomycin-Intermediate Staphylococcus aureus? Infect Dis Ther. 2019 Mar;8(1):51-62. doi: 10.1007/s40121-018-0224-z. Epub 2018 Nov 21. PMID: 30460607; PMCID: PMC6374240.

Ralph R, Prabhakar AT, Sathyendra S, Carey R, Jude J, Varghese GM. Scrub Typhus-Associated Opsoclonus: Clinical Course and Longitudinal Outcomes in an Indian Cohort. Ann Indian Acad Neurol. 2019 Apr-Jun;22(2):153-158. doi: 10.4103/aian.AIAN_198_18. PMID: 31007425; PMCID: PMC6472253.

Veeraraghavan B, Shankar C, Karunasree S, Kumari S, Ravi R, Ralph R. Carbapenem resistant Klebsiella pneumoniae isolated from bloodstream infection: Indian experience. Pathog Glob Health. 2017 Jul;111(5):240-246. doi: 10.1080/20477724.2017.1340128. Epub 2017 Jul 2. PMID: 28670975; PMCID: PMC5560201.

Koshy M, Jagannati M, Ralph R, Victor P, David T, Sathyendra S, Veeraraghavan B, Varghese GM. Clinical Manifestations, Antimicrobial Drug Susceptibility Patterns, and Outcomes in Melioidosis Cases, India. Emerg Infect Dis. 2019 Feb;25(2):316-320. doi: 10.3201/eid2502.170745. PMID: 30666953; PMCID: PMC6346473.

Bakthavatchalam YD, Nabarro LEB, Ralph R, Veeraraghavan B. Diagnosis and management of Panton-Valentine leukocidin toxin associated Staphylococcus aureus infection: an update. Virulence. 2017 Aug 7:0. doi: 10.1080/21505594.2017.1362532. Epub ahead of print. PMID: 28783418.

Koshy M, Mathew J, Alex R, Jude JA, Ralph R, Sudarsanam TD, Sathyendra S, Visalakshi J, Peter JV. Antinuclear antibodies in scrub typhus: Transient occurrence during acute illness. J Vector Borne Dis. 2018 Jan-Mar;55(1):52-57. doi: 10.4103/0972-9062.234627. PMID: 29916449.

Bakthavatchalam YD, Ralph R, Veeraraghavan B, Babu P, Munusamy E. Evidence from an In Vitro Study: Is Oxacillin Plus Vancomycin a Better Choice for Heteroresistant Vancomycin-Intermediate Staphylococcus aureus? Infect Dis Ther. 2019 Mar;8(1):51-62. doi: 10.1007/s40121-018-0224-z. Epub 2018 Nov 21. PMID: 30460607; PMCID: PMC6374240.

Ralph R, Prabhakar AT, Sathyendra S, Carey R, Jude J, Varghese GM. Scrub Typhus-Associated Opsoclonus: Clinical Course and Longitudinal Outcomes in an Indian Cohort. Ann Indian Acad Neurol. 2019 Apr-Jun;22(2):153-158. doi: 10.4103/aian.AIAN_198_18. PMID: 31007425; PMCID: PMC6472253.

Veeraraghavan B, Shankar C, Karunasree S, Kumari S, Ravi R, Ralph R. Carbapenem resistant Klebsiella pneumoniae isolated from bloodstream infection: Indian experience. Pathog Glob Health. 2017 Jul;111(5):240-246. doi: 10.1080/20477724.2017.1340128. Epub 2017 Jul 2. PMID: 28670975; PMCID: PMC5560201.

Koshy M, Jagannati M, Ralph R, Victor P, David T, Sathyendra S, Veeraraghavan B, Varghese GM. Clinical Manifestations, Antimicrobial Drug Susceptibility Patterns, and Outcomes in Melioidosis Cases, India. Emerg Infect Dis. 2019 Feb;25(2):316-320. doi: 10.3201/eid2502.170745. PMID: 30666953; PMCID: PMC6346473.

Bakthavatchalam YD, Nabarro LEB, Ralph R, Veeraraghavan B. Diagnosis and management of Panton-Valentine leukocidin toxin associated Staphylococcus aureus infection: an update. Virulence. 2017 Aug 7:0. doi: 10.1080/21505594.2017.1362532. Epub ahead of print. PMID: 28783418.

Koshy M, Mathew J, Alex R, Jude JA, Ralph R, Sudarsanam TD, Sathyendra S, Visalakshi J, Peter JV. Antinuclear antibodies in scrub typhus: Transient occurrence during acute illness. J Vector Borne Dis. 2018 Jan-Mar;55(1):52-57. doi: 10.4103/0972-9062.234627. PMID: 29916449.

Butcher RD, Wojcik SJ, Lints T, Wilson T, Schofield PC, Ralph R. Arachidonic acid, a growth signal in murine P815 mastocytoma cells. Cancer Res. 1993 Jul 15;53(14):3405-10. PMID: 8391926.

Chavalitshewinkoon P, Wilairat P, Gamage S, Denny W, Figgitt D, Ralph R. Structure-activity relationships and modes of action of 9-anilinoacridines against chloroquine-resistant Plasmodium falciparum in vitro. Antimicrob Agents Chemother. 1993 Mar;37(3):403-6. doi: 10.1128/AAC.37.3.403. PMID: 8384810; PMCID: PMC187684. Link

Chelsky D, Ralph R, Jonak G. Sequence requirements for synthetic peptide-mediated translocation to the nucleus. Mol Cell Biol. 1989 Jun;9(6):2487-92. doi: 10.1128/mcb.9.6.2487. PMID: 2668735; PMCID: PMC362321.

Figgitt D, Denny W, Chavalitshewinkoon P, Wilairat P, Ralph R. In vitro study of anticancer acridines as potential antitrypanosomal and antimalarial agents. Antimicrob Agents Chemother. 1992 Aug;36(8):1644-7. doi: 10.1128/AAC.36.8.1644. PMID: 1416846; PMCID: PMC192024. Link

Jayaraman R, Varghese R, Kumar JL, Neeravi A, Shanmugasundaram D, Ralph R, Thomas K, Veeraraghavan B. Invasive pneumococcal disease in Indian adults: 11 years' experience. J Microbiol Immunol Infect. 2019 Oct;52(5):736-742. doi: 10.1016/j.jmii.2018.03.004. Epub 2018 May 22. PMID: 29884448.

Ralph R, Peter JV, Chrispal A, Zachariah A, Dian J, Sebastian T, Venkatesh B, Thomas K. Supraphysiological 25-hydroxy vitamin D3 level at admission is associated with illness severity and mortality in critically ill patients. J Bone Miner Metab. 2015 Mar;33(2):239-43. doi: 10.1007/s00774-014-0585-7. Epub 2014 Apr 22. PMID: 24752822.

Ralph R, Sharma SK, Faiz MA, Ribeiro I, Rijal S, Chappuis F, Kuch U. The timing is right to end snakebite deaths in South Asia. BMJ. 2019 Jan 22;364:k5317. doi: 10.1136/bmj.k5317. Erratum in: BMJ. 2019 Jan 24;364:l397. doi: 10.1136/bmj.l397. PMID: 30670457; PMCID: PMC6340368.

Reji KK, Mathew V, Zachariah A, Patil AK, Hansdak SG, Ralph R, Peter JV. Extrapyramidal effects of acute organophosphate poisoning. Clin Toxicol (Phila). 2016 Mar;54(3):259-65. doi: 10.3109/15563650.2015.1126841. Epub 2016 Jan 6. PMID: 26735571.

Varghese GM, Janardhanan J, Ralph R, Abraham OC. The Twin Epidemics of Tuberculosis and HIV. Curr Infect Dis Rep. 2013 Feb;15(1):77-84. doi: 10.1007/s11908-012-0311-3. PMID: 23296510.

Ralph R, Chrispa A. Klippel-Trenaunay syndrome of the upper limb--a rare congenital anomaly. J Assoc Physicians India. 2013 May;61(5):337. PMID: 24482948.

J M, R R, A M, V P, S N, A Z. Role of Diagnostic Splenectomy in Patients Presenting with Pyrexia of Unknown Origin with Splenomegaly and Non-Contributory Pre-surgical Evaluation. J Assoc Physicians India. 2019 Aug;67(8):42-45. PMID: 31562716.

Bhargava A, Ralph R, Chatterjee B, Bottieau E. Assessment and initial management of acute undifferentiated fever in tropical and subtropical regions. BMJ. 2018 Nov 29;363:k4766. doi: 10.1136/bmj.k4766. PMID: 30498133.

Veeraraghavan B, Pragasam AK, Bakthavatchalam YD, Ralph R. Typhoid fever: issues in laboratory detection, treatment options & concerns in management in developing countries. Future Sci OA. 2018 Jun 26;4(6):FSO312. doi: 10.4155/fsoa-2018-0003. PMID: 30057789; PMCID: PMC6060388.

Koshy M, Mathew J, Alex R, Jude JA, Ralph R, Sudarsanam TD, Sathyendra S, Visalakshi J, Peter JV. Antinuclear antibodies in scrub typhus: Transient occurrence during acute illness. J Vector Borne Dis. 2018 Jan-Mar;55(1):52-57. doi: 10.4103/0972-9062.234627. PMID: 29916449.

Bakthavatchalam YD, Ralph R, Veeraraghavan B, Babu P, Munusamy E. Evidence from an In Vitro Study: Is Oxacillin Plus Vancomycin a Better Choice for Heteroresistant Vancomycin-Intermediate Staphylococcus aureus? Infect Dis Ther. 2019 Mar;8(1):51-62. doi: 10.1007/s40121-018-0224-z. Epub 2018 Nov 21. PMID: 30460607; PMCID: PMC6374240.

Bakthavatchalam YD, Ralph R, Veeraraghavan B, Babu P, Munusamy E. Evidence from an In Vitro Study: Is Oxacillin Plus Vancomycin a Better Choice for Heteroresistant Vancomycin-Intermediate Staphylococcus aureus? Infect Dis Ther. 2019 Mar;8(1):51-62. doi: 10.1007/s40121-018-0224-z. Epub 2018 Nov 21. PMID: 30460607; PMCID: PMC6374240.

Ninan K F, Iyadurai R, Varghese JK, Geevar T, Nair SC, Yadav B, Carey RAB, Sadiq J M, Koshy M, Ralph R, Peter JV. Thromboelastograph:A prognostic marker in sepsis with organ dysfunction without overt bleeding. J Crit Care. 2021 Oct;65:177-183. doi: 10.1016/j.jcrc.2021.06.005. Epub 2021 Jun 23. PMID: 34171693.

Ralph R, Faiz MA, Sharma SK, Ribeiro I, Chappuis F. Managing snakebite. BMJ. 2022 Jan 7;376:e057926. doi: 10.1136/bmj-2020-057926. PMID: 34996773. Link

Ralph R, Garg D, Balachandran A, Ganesh SR, Lamb T. A case report of Ovophis monitcola (Mountain pit-viper) envenoming in northeastern India resulting in prolonged coagulopathy. Toxicon. 2023 Jun 15;229:107147. doi: 10.1016/j.toxicon.2023.107147. Epub 2023 Apr 29. PMID: 37127123.

Potet J, Beran D, Ray N, Alcoba G, Habib AG, Iliyasu G, Waldmann B, Ralph R, Faiz MA, Monteiro WM, de Almeida Gonçalves Sachett J, di Fabio JL, Cortés MLÁ, Brown NI, Williams DJ. Access to antivenoms in the developing world: A multidisciplinary analysis. Toxicon X. 2021 Oct 26;12:100086. doi: 10.1016/j.toxcx.2021.100086. PMID: 34786555; PMCID: PMC8578041.

Ralph R, Faiz MA, Sharma SK, Ribeiro I, Chappuis F. Managing snakebite. BMJ. 2022 Jan 7;376:e057926. doi: 10.1136/bmj-2020-057926. PMID: 34996773.

Balachandran A, Jambugulam M, George K, Inturi S, Padankatti S, Alwan A, Mathew SS, Nellickal AJ, Zachariah A, Ralph R. Clinical Spectrum of Mercury Poisoning in India: Case-series from a Poison Control Center. J Assoc Physicians India. 2023 Feb;71(2):11-12. doi: 10.5005/japi-11001-0180. PMID: 37354482.

Alexander V, Sindhu KN, Ralph R, Paul JS, Manimegalai B, Zachariah A. Anergy to purified protein derivative and chronic energy deficiency in sputum-positive pulmonary tuberculosis: Dynamic assessment at baseline and treatment completion. Int J Mycobacteriol. 2023 Oct-Dec;12(4):436-442. doi: 10.4103/ijmy.ijmy_176_23. PMID: 38149540.