Varghese CM, Varghese AM, Syed KA, Paul RR. Dacryocystectomy: an uncommon indication--a case report. Int J Pediatr Otorhinolaryngol. 2014 Jan;78(1):139-41. doi: 10.1016/j.ijporl.2013.10.046. Epub 2013 Nov 7. PMID: 24268316.

Naina P, Syed KA, Koshy L, Mathews SS. Sublingual dermoid causing stertor in an infant. BMJ Case Rep. 2016 Sep 16;2016:bcr2016217135. doi: 10.1136/bcr-2016-217135. PMID: 27637278; PMCID: PMC5030563.

Mishra SK, Mathew GA, Paul RR, Asif SK, John M, Varghese AM, Kurien M. Endoscopic Repair of CSF Rhinorrhea: An Institutional Experience. Iran J Otorhinolaryngol. 2016 Jan;28(84):39-43. PMID: 26878002; PMCID: PMC4735615.

Syed KA, Naina P, Sebastian S, Varghese AM. A Case-Control Study on the Association Between Endoscopic ACE Grade of Adenoid Hypertrophy and Hearing Loss in Children and Its Impact on Speech and Language Development. Indian J Otolaryngol Head Neck Surg. 2019 Jun;71(2):150-154. doi: 10.1007/s12070-018-1506-1. Epub 2018 Oct 3. PMID: 31275821; PMCID: PMC6581993.

Syed KA, Naina P, Pokharel A, John M, Varghese AM. Paediatric tracheostomy: A modified technique and its outcomes, results from a South Indian tertiary care. Int J Pediatr Otorhinolaryngol. 2019 Mar;118:6-10. doi: 10.1016/j.ijporl.2018.12.007. Epub 2018 Dec 7. PMID: 30578997.

Naina P, Syed KA, Irodi A, John M, Varghese AM. Pediatric tracheal dimensions on computed tomography and its correlation with tracheostomy tube sizes. Laryngoscope. 2020 May;130(5):1316-1321. doi: 10.1002/lary.28141. Epub 2019 Jun 22. PMID: 31228208.

Varghese CM, Varghese AM, Syed KA, Paul RR. Dacryocystectomy: an uncommon indication--a case report. Int J Pediatr Otorhinolaryngol. 2014 Jan;78(1):139-41. doi: 10.1016/j.ijporl.2013.10.046. Epub 2013 Nov 7. PMID: 24268316.

Naina P, Syed KA, Koshy L, Mathews SS. Sublingual dermoid causing stertor in an infant. BMJ Case Rep. 2016 Sep 16;2016:bcr2016217135. doi: 10.1136/bcr-2016-217135. PMID: 27637278; PMCID: PMC5030563.

Mishra SK, Mathew GA, Paul RR, Asif SK, John M, Varghese AM, Kurien M. Endoscopic Repair of CSF Rhinorrhea: An Institutional Experience. Iran J Otorhinolaryngol. 2016 Jan;28(84):39-43. PMID: 26878002; PMCID: PMC4735615.

Syed KA, Naina P, Sebastian S, Varghese AM. A Case-Control Study on the Association Between Endoscopic ACE Grade of Adenoid Hypertrophy and Hearing Loss in Children and Its Impact on Speech and Language Development. Indian J Otolaryngol Head Neck Surg. 2019 Jun;71(2):150-154. doi: 10.1007/s12070-018-1506-1. Epub 2018 Oct 3. PMID: 31275821; PMCID: PMC6581993.

Syed KA, Naina P, Pokharel A, John M, Varghese AM. Paediatric tracheostomy: A modified technique and its outcomes, results from a South Indian tertiary care. Int J Pediatr Otorhinolaryngol. 2019 Mar;118:6-10. doi: 10.1016/j.ijporl.2018.12.007. Epub 2018 Dec 7. PMID: 30578997.

Naina P, Syed KA, Irodi A, John M, Varghese AM. Pediatric tracheal dimensions on computed tomography and its correlation with tracheostomy tube sizes. Laryngoscope. 2020 May;130(5):1316-1321. doi: 10.1002/lary.28141. Epub 2019 Jun 22. PMID: 31228208.

Job A, Naina P, Syed KA, Thomas M, John M, Varghese AM. Validation of a drooling questionnaire in Indian children with cerebral palsy. Int J Pediatr Otorhinolaryngol. 2018 Sep;112:55-60. oi: 10.1016/j.ijporl.2018.06.029. Epub 2018 Jun 19. PMID: 30055740

Paul RR, Varghese AM, Mathew J, Chandrasekharan R, Amalanathan S, Asif SK, Kurien M. Difficult Laryngeal Exposure in Microlaryngoscopy: Can it be Predicted Preoperatively? Indian J Otolaryngol Head Neck Surg. 2016 Mar;68(1):65-70. doi: 10.1007/s12070-015-0913-9. Epub 2015 Sep 21. PMID: 27066414; PMCID: PMC4809832.

Pokharel A, Naina P, Sebastain S, Syed KA, John M, Varghese AM. Normative nasalance scores in Tamil-speaking Indian children. Logoped Phoniatr Vocol. 2022 Apr;47(1):43-48. doi: 10.1080/14015439.2020.1849391. Epub 2020 Dec 3. PMID: 33269640.

Naina P, Pokharel A, Syed KA, John M, Varghese AM, Kurien M. A Three Point Assessment Protocol for Tympanoplasty Outcomes: A Retrospective Analysis. Int Arch Otorhinolaryngol. 2020 Oct;24(4):e438-e443. doi: 10.1055/s-0039-3402432. Epub 2020 Feb 27. PMID: 33101508; PMCID: PMC7575394.

Naina P, Jonathan GE, Prabhakar M, Irodi A, Syed KA, John M, Varghese AM. Pediatric nasal dermoid- a decade's experience from a South Indian tertiary care centre. Int J Pediatr Otorhinolaryngol. 2020 Dec;139:110418. doi: 10.1016/j.ijporl.2020.110418. Epub 2020 Oct 1. PMID: 33035807.

Varghese AM, Naina P, Cheng AT, Asif SK, Kurien M. ACE grading-A proposed endoscopic grading system for adenoids and its clinical correlation. Int J Pediatr Otorhinolaryngol. 2016 Apr;83:155-9. doi: 10.1016/j.ijporl.2016.02.002. Epub 2016 Feb 21. PMID: 26968070.

Bharti B, Syed KA, Ebenezer K, Varghese AM, Kurien M. "Post intubation Laryngeal injuries in a pediatric intensive care unit of tertiary hospital in India: A Fibreoptic endoscopic study". Int J Pediatr Otorhinolaryngol. 2016 Jun;85:84-90. doi: 10.1016/j.ijporl.2016.03.025. Epub 2016 Mar 28. PMID: 27240502.

Syed KA, Raja K, Kolethekkat AA, Varghese AM, Al Abri R, Kurien M. Congenital midnasal stenosis - A novel technique for management. Int J Pediatr Otorhinolaryngol. 2016 Aug;87:117-20. doi: 10.1016/j.ijporl.2016.06.014. Epub 2016 Jun 7. PMID: 27368456.

Kalaiarasi R, Syed KA, Vijayakumar C, Varghese AM, John M. Clinical Study on Middle Ear Diseases in Children with Orofacial Clefts. Cureus. 2018 Feb 8;10(2):e2175. doi: 10.7759/cureus.2175. PMID: 29644162; PMCID: PMC5889165.

Chowdhary S, Asif SK, Williams A. Drug Induced Sleep Endoscopy in a Child with Poland's Syndrome: A Clinical Challenge. Indian J Otolaryngol Head Neck Surg. 2025 Jul;77(7):2689-2692. doi: 10.1007/s12070-025-05563-9. Epub 2025 May 22. PMID: 40503156; PMCID: PMC12149053.

Chowdhary S, Asif SK. Congenital Arrhinia with Profound Hearing Loss and Complete Cleft Palate: A Challenging Triad. Indian J Otolaryngol Head Neck Surg. 2025 Mar;77(3):1630-1634. doi: 10.1007/s12070-025-05343-5. Epub 2025 Jan 18. PMID: 40093464; PMCID: PMC11909346.