title: Invalid sampling in a validation study of diagnosis codes for infection.
authors.forename: Eric D
authors.initials: ED
authors.lastname: Weinhandl
authors.forename: David T
authors.initials: DT
authors.lastname: Gilbertson
mesh_terms: D001172:Arthritis, Rheumatoid / Q000145:classification* / Q000150:complications / Q000175:diagnosis; D001424:Bacterial Infections / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D038801:International Classification of Diseases; D008499:Medical Records / Q000706:statistics & numerical data