title: Reply to Xu et al.
authors.forename: Ban Seok
authors.initials: BS
authors.lastname: Lee
authors.forename: Junghee
authors.initials: J
authors.lastname: Ryu
authors.forename: Sang Hyub
authors.initials: SH
authors.lastname: Lee
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D016292:Procedural Sedation / Q000379:methods*; D020927:Dexmedetomidine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D006993:Hypnotics and Sedatives / Q000008:administration & dosage*; D008297:Male; D008614:Meperidine / Q000008:administration & dosage*; D008874:Midazolam / Q000008:administration & dosage*
chemical_list: D006993:Hypnotics and Sedatives; D020927:Dexmedetomidine; D008614:Meperidine; D008874:Midazolam