title: Validity of using standard error of mean in trials.
authors.forename: Ahmad Waheed
authors.initials: AW
authors.lastname: Cheema
authors.forename: Jack
authors.initials: J
authors.lastname: Leya
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects; D006801:Humans; D005996:Nitroglycerin / Q000627:therapeutic use; D010195:Pancreatitis / Q000209:etiology; D013223:Statistics as Topic; D014665:Vasodilator Agents / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents; D005996:Nitroglycerin