Suzana S, Ninan MM, Gowri M, Venkatesh K, Rupali P, Michael JS. Xpert MTB/Rif for the diagnosis of extrapulmonary tuberculosis--an experience from a tertiary care centre in South India. Trop Med Int Health. 2016 Mar;21(3):385-92. doi: 10.1111/tmi.12655. Epub 2016 Jan 19. PMID: 26671654.

Ninan MM, George TK, Balaji V, Ramya I. Extended spectrum β-lactamase producing Shigella flexneri serotype-2 causing bacteremia in a patient with uncontrolled diabetes mellitus. Indian J Pathol Microbiol. 2016 Jul-Sep;59(3):420-1. doi: 10.4103/0377-4929.188120. PMID: 27510696.

Balaji Veeraraghavan, Sangeeta Susan Thomas, Marilyn Mary Ninan. Diagnosis of Sepsis: How Does a Good Laboratory Respond? Journal of Patient Safety & Infection Control. 2013; 1(1): 1–5

Ninan MM, Rupali P, James P, Michael JS. Robustness of the Line Probe Assay for the Rapid Diagnosis and Characterization of Mutations in Extensively Drug-Resistant Tuberculosis. Microb Drug Resist. 2019 Jul/Aug;25(6):799-804. doi: 10.1089/mdr.2018.0268. Epub 2019 Mar 5. PMID: 30785833.

Mohammad A, Benjamin SR, Mallampati S, Gnanamuthu BR, Prabhu AJ, Ninan MM. Aspergillus flavus costochondritis following coronary artery bypass grafting: a case report and a brief review of literature. Asian Cardiovasc Thorac Ann. 2021 Jan 14:218492320988458. doi: 10.1177/0218492320988458. Epub ahead of print. PMID: 33444067.

Ninan MM, Gowri M, Christopher DJ, Rupali P, Michael JS. The diagnostic utility of line probe assays for multidrug-resistant tuberculosis. Pathog Glob Health. 2016 Jun-Jul;110(4-5):194-9. doi: 10.1080/20477724.2016.1214350. Epub 2016 Aug 8. PMID: 27499239; PMCID: PMC5072114.

Suzana S, Ninan MM, Gowri M, Venkatesh K, Rupali P, Michael JS. Xpert MTB/Rif for the diagnosis of extrapulmonary tuberculosis--an experience from a tertiary care centre in South India. Trop Med Int Health. 2016 Mar;21(3):385-92. doi: 10.1111/tmi.12655. Epub 2016 Jan 19. PMID: 26671654.

Ninan MM, George TK, Balaji V, Ramya I. Extended spectrum β-lactamase producing Shigella flexneri serotype-2 causing bacteremia in a patient with uncontrolled diabetes mellitus. Indian J Pathol Microbiol. 2016 Jul-Sep;59(3):420-1. doi: 10.4103/0377-4929.188120. PMID: 27510696.

Balaji Veeraraghavan, Sangeeta Susan Thomas, Marilyn Mary Ninan. Diagnosis of Sepsis: How Does a Good Laboratory Respond? Journal of Patient Safety & Infection Control. 2013; 1(1): 1–5

Ninan MM, Rupali P, James P, Michael JS. Robustness of the Line Probe Assay for the Rapid Diagnosis and Characterization of Mutations in Extensively Drug-Resistant Tuberculosis. Microb Drug Resist. 2019 Jul/Aug;25(6):799-804. doi: 10.1089/mdr.2018.0268. Epub 2019 Mar 5. PMID: 30785833.

Mohammad A, Benjamin SR, Mallampati S, Gnanamuthu BR, Prabhu AJ, Ninan MM. Aspergillus flavus costochondritis following coronary artery bypass grafting: a case report and a brief review of literature. Asian Cardiovasc Thorac Ann. 2021 Jan 14:218492320988458. doi: 10.1177/0218492320988458. Epub ahead of print. PMID: 33444067.

Ninan MM, Gowri M, Christopher DJ, Rupali P, Michael JS. The diagnostic utility of line probe assays for multidrug-resistant tuberculosis. Pathog Glob Health. 2016 Jun-Jul;110(4-5):194-9. doi: 10.1080/20477724.2016.1214350. Epub 2016 Aug 8. PMID: 27499239; PMCID: PMC5072114.

Thampy A, Ninan MM, Michael JS, James P, Rupali P. Clinical implications of high-risk mutations in drug resistant tuberculosis (DR-TB): An observational cohort study. Indian J Med Microbiol. 2021 Jun 11:S0255-0857(21)04122-0. doi: 10.1016/j.ijmmb.2021.05.020. Epub ahead of print. PMID: 34127320.

Sam AS, Ninan MM, Ranjani R, Devanga Raghupathi NK, Balaji V, Michael JS. Nontuberculous mycobacteria - clinical and laboratory diagnosis: experiences from a TB endemic country. Future Sci OA. 2020 Jul 30;6(9):FSO612. doi: 10.2144/fsoa-2020-0023. PMID: 33235807; PMCID: PMC7668123.

Gnanadurai R, Ninan MM, Arul AO, Sam AS, James P, Gupta R, Michael JS. Challenges in the management of slowly growing non-tuberculous mycobacteria causing pulmonary disease: Perspectives from a high burden country. Indian J Med Microbiol. 2021 Aug 10:S0255-0857(21)04179-7. doi: 10.1016/j.ijmmb.2021.07.005. Epub ahead of print. PMID: 34389186.

Sreelekshmi T. S. Marilyn M. Ninan Arul Premanand Anila Chacko, Rani Diana Sahni, Joy S. Michael. Candida utilis: a rare cause of septicemia in children. Access Microbiology 2021;3(10):000281 DOI 10.1099/acmi.0.000281

Kaswala C, Schmiedel Y, Kundu D, George MM, Dayanand D, Devasagayam E, Manesh S A, Kumar SS, Michael JS, Ninan MM, Chacko G, Zachariah A, Sathyendra S, Hansdak SG, Iyadurai R, Christopher DJ, Gupta R, Karthik R, Abraham OC, Varghese GM. Accuracy of Gene Xpert MTB/RIF Ultra for the diagnosis of tuberculosis in adult patients: A retrospective cohort study. Int J Infect Dis. 2022 Jul 7:S1201-9712(22)00410-6. doi: 10.1016/j.ijid.2022.07.016. Epub ahead of print. PMID: 35811084.

Cherian LM, Varghese L, Rupa V, Bright RR, Abraham L, Panicker R, R N, Peter J, Nayak A, Shyam A, Varghese GM, Manesh A, Karuppusami R, George K, George T, Lenin A, Hansdak SG, I R, Michael JS, Ninan M, Thomas M, Kurian R, Mammen S, Kurien R. Rhino-orbito-cerebral mucormycosis: patient characteristics in pre-COVID-19 and COVID-19 period. Rhinology. 2022 Dec 1;60(6):427-434. doi: 10.4193/Rhin22.099. PMID: 36150158.

Suresh CS, Ninan MM, Zachariah A, Michael JS. Cryptococcosis with Tuberculosis: Overlooked Coinfections. J Glob Infect Dis. 2021 Aug 7;13(3):139-141. doi: 10.4103/jgid.jgid_330_20. PMID: 34703154; PMCID: PMC8491810.

Ninan MM, Venkatesan M, Balaji V, Rupali P, Michael JS. Pulmonary nocardiosis: Risk factors and species distribution from a high burden centre. Indian J Med Microbiol. 2022 Oct-Dec;40(4):582-584. doi: 10.1016/j.ijmmb.2022.08.010. Epub 2022 Sep 8. PMID: 36088197.

Ninan MM, Rupali P, Varghese GM, Shalini EB, Venkatesh K, Jesudason MR, Rebekah G, Michael JS. Xpert Ultra in diagnosing extrapulmonary TB: accuracy and trace calls. Int J Tuberc Lung Dis. 2022 May 1;26(5):441-445. doi: 10.5588/ijtld.21.0480. PMID: 35505481.

Kaswala C, Schmiedel Y, Kundu D, George MM, Dayanand D, Devasagayam E, S AM, Kumar SS, Michael JS, Ninan MM, Chacko G, Zachariah A, Sathyendra S, Hansdak SG, Iyadurai R, Christopher DJ, Gupta R, Karthik R, Abraham OC, Varghese GM. Accuracy of Xpert MTB/RIF Ultra for the diagnosis of tuberculosis in adult patients: a retrospective cohort study. Int J Infect Dis. 2022 Sep;122:566-568. doi: 10.1016/j.ijid.2022.07.016. Epub 2022 Jul 8. PMID: 35811084.

Christina Rachel S, Marilyn Mary Ninan, Manigandan Venkatesan, Balaji Veeraraghavan, Molecular characterization of Cryptococcus species using Whole genome based MLST: A pilot study, Indian Journal of Medical Microbiology, Volume 39, Supplement,2021,Page S113, ISSN 0255-0857, https://doi.org/10.1016/j.ijmmb.2021.08.388. (https://www.sciencedirect.com/science/article/pii/S0255085721045679)

R L, Ninan MM, Kurien R, N A F, Sahni RD, Michael JS. Cryptic aspergillosis: a rare entity and a diagnostic challenge. Access Microbiol. 2022 Apr 12;4(4):000344. doi: 10.1099/acmi.0.000344. PMID: 35812705; PMCID: PMC9260091.

Michael JS, Venkatesan M, Ninan MM, Solaimalai D, Sumanth LJ, Varghese L, Kurien R, Varghese RP, C GPD. Whole genome analysis of Rhizopus species causing rhino-cerebral mucormycosis during the COVID-19 pandemic. Front Cell Infect Microbiol. 2023 Oct 31;13:1251456. doi: 10.3389/fcimb.2023.1251456. PMID: 38029246; PMCID: PMC10644343.

Dudeja N, Khan T, Varughese DT, Abraham SG, Ninan MM, Prasad CL, Sarkar R, Kang G. Technologies for strengthening immunization coverage in India: a systematic review. Lancet Reg Health Southeast Asia. 2023 Aug 8;23:100251. doi: 10.1016/j.lansea.2023.100251. PMID: 38404512; PMCID: PMC10884965.

Ninan MM, Sahni RD, Chacko B, Balaji V, Michael JS. Candida auris: Clinical profile, diagnostic challenge and susceptibility pattern: Experience from a tertiary-care centre in South India. J Glob Antimicrob Resist. 2020 Jun;21:181-185. doi: 10.1016/j.jgar.2019.10.018. Epub 2019 Oct 23. PMID: 31655136.

Jayaprakasam M, Michael JS, Jain P, Basu S, Ajbani K, Shanmugam SK, Ninan MM, Choudhary H, Jain A, Pandey RM, Gupta N; Research Group. Diagnostic accuracy of real-time PCR assay 'Quantiplus® MTB FAST' for detection of adult pulmonary tuberculosis (PTB): A multi-centric study. Indian J Med Res. 2025 Apr;161(4):346-353. doi: 10.25259/IJMR_767_2025. PMID: 40536373; PMCID: PMC12178193.