title: Random errors and misclassification bias.
authors.affiliation: Department of Anesthesiology, Yale University, New Haven, Connecticut, robert.schonberger@yale.edu.
authors.forename: Robert B
authors.initials: RB
authors.lastname: Schonberger
mesh_terms: D018685:Anesthetics, Inhalation / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000009:adverse effects*; D011183:Postoperative Complications / Q000453:epidemiology* / Q000401:mortality*; D013514:Surgical Procedures, Operative / Q000401:mortality*
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide