title: 'Introduction' and 'discussion' in a scientific paper.
authors.affiliation: Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow.
authors.forename: S R
authors.initials: SR
authors.lastname: Naik
authors.forename: R
authors.initials: R
authors.lastname: Aggarwal
mesh_terms: D006801:Humans; D014956:Writing