Kumar M, Varkki SD. Pseudo-Bartter Syndrome and Intermediate Sweat Chloride Levels-It Could Still be Cystic Fibrosis! Indian J Pediatr. 2021 Apr 7. doi: 10.1007/s12098-021-03733-5. Epub ahead of print. PMID: 33825131.

Cherian T, Varkki S, Shyamkumar NK, Bhattacharji S, Job A, Korah I, Steinhoff MC. Persistent rhinorrhea in rural Indian children. Pediatr Infect Dis J. 2000 Dec;19(12):1210-1. doi: 10.1097/00006454-200012000-00020. PMID: 11144387.

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Varkki SD. Pseudo-Bartter Syndrome and Intermediate Sweat Chloride Levels-It Could Still be Cystic Fibrosis! Indian J Pediatr. 2021 Apr 7. doi: 10.1007/s12098-021-03733-5. Epub ahead of print. PMID: 33825131.

Cherian T, Varkki S, Shyamkumar NK, Bhattacharji S, Job A, Korah I, Steinhoff MC. Persistent rhinorrhea in rural Indian children. Pediatr Infect Dis J. 2000 Dec;19(12):1210-1. doi: 10.1097/00006454-200012000-00020. PMID: 11144387.

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:(4) 290-1. DOI: 10.4103/cmi.cmi_24_21

Shajil C, Sathishkumar D, Chiramel MJ, Kumar M, Varkki S, Rose W, Thomas M. Kwashiorkor-like dermatosis: a rare presentation of cystic fibrosis. Clin Exp Dermatol. 2021 Jan;46(1):213-215. doi: 10.1111/ced.14438. Epub 2020 Sep 15. PMID: 32931600.

Kumar M, Kiranmai M, Kisku SM, Suresh K P, Varkki SD. It is all in the timing! Spotting the culprit in a case of recurrent pneumothorax. Curr Med Issues 2021;19:290-1 Link

Varkki S, Benjamin AT, Athiyarath R, Danda S, Sowmya R, Connett G. Meconium Ileus due to GUCY2C gene mutations in three unrelated South Indian families. J Cyst Fibros. 2021 Sep;20(5):e84-e86. doi: 10.1016/j.jcf.2021.03.023. Epub 2021 Apr 18. PMID: 33883099.

Varkki S, Rose W. Multi-use Hypertonic Saline Packets for Nebulization - A Threat for Patients with Cystic Fibrosis in India. Indian Pediatr. 2019 Dec 15;56(12):1068-1069. PMID: 31884452.

Thomas L, John ST, Lionel BAP, Rebekah G, Kumar M, Punnen A, Varkki S. Effect of malnutrition in infants with cystic fibrosis in India: An underestimated danger. J Family Med Prim Care. 2021 May;10(5):1994-1997. doi: 10.4103/jfmpc.jfmpc_2421_20. Epub 2021 May 31. PMID: 34195137; PMCID: PMC8208186.

Varkki S, James EJG. Is Cystic Fibrosis Contributing Significantly to Infant Mortality Rate in India? Indian Pediatr. 2022 Sep 15;59(9):728. PMID: 36101956.

Varkki S, Tergestina M, Bhonsle VS, Moses PD, Mathai J, Korula S. Isolated pulmonary Langerhans cell histiocytosis. Indian J Pediatr. 2013 Aug;80(8):700-3. doi: 10.1007/s12098-012-0866-x. Epub 2012 Sep 23. PMID: 23001923.

Varkki S. Health-Related Quality of Life Assessment: An Inexpensive Tool for Cystic Fibrosis Care. Indian J Pediatr. 2022 Feb;89(2):107-108. doi: 10.1007/s12098-021-04048-1. Epub 2021 Dec 22. PMID: 34936059.

John, J. & Varkki, S. & Basker, M. & Reddy, H. & Rébecca, Guéret & Suresh, S.. 282: Mental health in parents of children with cystic fibrosis—A cross-sectional study from a tertiary care center in south India. Journal of Cystic Fibrosis. 20. S136. 10.1016/S1569-1993(21)01707-0.

Varkki S, Rose W. Multi-use Hypertonic Saline Packets for Nebulization - A Threat for Patients with Cystic Fibrosis in India. Indian Pediatr. 2019 Dec 15;56(12):1068-1069. PMID: 31884452.

Cherian T, Varkki S, Raghupathy P, Ratnam S, Chandra RK. Effect of Vitamin A supplementation on the immune response to measles vaccination. Vaccine. 2003 Jun 2;21(19-20):2418-20. doi: 10.1016/s0264-410x(03)00060-4. PMID: 12744873.

Singh M, Varkki S, Kinimi I, Das RR, Goyal JP, Bhat M, Dayal R, Kalyan P, Gairolla J, Khosla I. Expert group recommendation on inhaled mucoactive drugs in pediatric respiratory diseases: an Indian perspective. Front Pediatr. 2023 Dec 4;11:1322360. doi: 10.3389/fped.2023.1322360. PMID: 38111626; PMCID: PMC10725989.

Manuel DA, Irodi A, Sudhakar SV, Varkki S. Abnormal Chest Radiograph Due to a Common Lung Finding in Down Syndrome. Oman Med J. 2016 Jan;31(1):81. doi: 10.5001/omj.2016.16. PMID: 26813607; PMCID: PMC4720935.

Kumar M, Aaron R, Varkki SD, Danda S, Ranganathan S, Paul GR. A rare variant c.1802T>C (p. Ile601Thr) associated with severe phenotype among people with cystic fibrosis from south India, and potential genetic admixture in Réunion, France. Pediatr Pulmonol. 2024 Mar 19. doi: 10.1002/ppul.26965. Epub ahead of print. PMID: 38501349.

Jose A, Medhi P, Varkki SD, Loganathan T, Christudoss P, Karuppusami R. Sweat conductivity test - can it be a cheaper alternative to sweat chloride analysis for diagnosis of cystic fibrosis in low resource setting? Indian J Med Res. 2025 Mar;161(3):207-214. doi: 10.25259/IJMR_1754_2024. PMID: 40347500; PMCID: PMC12066134.

Jat KR, Chowdhury MR, Dhochak N, Lodha R, Varkki S, Kumar P, Goyal J, Bhatt JI, Kabra SK; CF Study Group. Genotype-Phenotype Correlation in Children With Cystic Fibrosis From India: A Multicentric Study. Clin Genet. 2026 Mar;109(3):481-489. doi: 10.1111/cge.70063. Epub 2025 Sep 18. PMID: 40963488.

Dhochak N, Lodha R, Jat KR, Bhat JI, Kumar P, Goyal JP, Varkki S, Kabra SK, Sankar J, Madhan Kumar P, Medhi P, Kabra M, Chowdhury MR, Kumari I, Gupta N, Gaba R, Bamal P. Diagnostic accuracy of ancillary tests in diagnosis of cystic fibrosis and development of cystic fibrosis clinical diagnostic score: A multicentre prospective cohort study. Respir Med. 2025 Jun;242:108087. doi: 10.1016/j.rmed.2025.108087. Epub 2025 Apr 4. PMID: 40189161.

Farrell PM, Paul GR, Varkki SD. India: The Last and Best Frontier for Cystic Fibrosis Newborn Screening with Perspectives on Special Challenges. Int J Neonatal Screen. 2025 Apr 17;11(2):27. doi: 10.3390/ijns11020027. PMID: 40265448; PMCID: PMC12015907.