title: Practice makes imperfect.
authors.forename: S C
authors.initials: SC
authors.lastname: Howell
authors.forename: G D
authors.initials: GD
authors.lastname: Eslick
mesh_terms: D048909:Diabetes Complications; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires / Q000592:standards