title: Influence of the laboratory upon requests for oral glucose tolerance tests for the diagnosis of diabetes mellitus.
authors.forename: H
authors.initials: H
authors.lastname: Greenhalgh
authors.forename: I
authors.initials: I
authors.lastname: Lancaster
authors.forename: M
authors.initials: M
authors.lastname: Crook
authors.forename: M D
authors.initials: MD
authors.lastname: Littley
mesh_terms: D003920:Diabetes Mellitus / Q000175:diagnosis*; D005951:Glucose Tolerance Test / Q000706:statistics & numerical data*; D006801:Humans; D012189:Retrospective Studies