N. Agarwal

Achalasia cardia: A study of 113 patients managed with indigenous dilator.

M. Tandon, S. Nijhawan, A. Mathur, 2006, Tropical gastroenterology : official journal of the Digestive Diseases Foundation.

Endoscopic band ligation for non variceal bleed.

S. Nijhawan, A. Mathur, R. Rai, 2004, Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology.

Endoscopy-Assisted Ferromagnetic Foreign-Body Removal with a Novel Magnetic Instrument

S. Nijhawan, A. Mathur, A. Joshi, 2004, Endoscopy.

Fetoscopic laser ablation in pregnancies with Type‐II vasa previa

R. Papanna, A. Johnson, E. Bergh, 2023, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.