title: Author reply: To PMID 23208168.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Shaheen
authors.forename: David S
authors.initials: DS
authors.lastname: Weinberg
mesh_terms: D016099:Endoscopy, Gastrointestinal / Q000706:statistics & numerical data*; D005260:Female; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D008297:Male