title: Response to Kumar.
authors.affiliation: Digestive Disease Research Center, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran.
authors.forename: Morteza
authors.initials: M
authors.lastname: Khatibian
authors.affiliation: Digestive Disease Research Center, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran.
authors.forename: Rasoul
authors.initials: R
authors.lastname: Sotoudehmanesh
authors.affiliation: Digestive Disease Research Center, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran.
authors.forename: Ali
authors.initials: A
authors.lastname: Ali-Asgari
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects*; D006801:Humans; D007213:Indomethacin / Q000627:therapeutic use*; D009566:Nitrates / Q000627:therapeutic use*; D010195:Pancreatitis / Q000517:prevention & control*
chemical_list: D009566:Nitrates; D007213:Indomethacin