title: The case of the missing data.
authors.affiliation: Mawbey Brough Health Centre, 39 Wilcox Close, London SW8 2UD.
authors.forename: James
authors.initials: J
authors.lastname: Le Fanu
mesh_terms: D003327:Coronary Disease / Q000401:mortality*; D003431:Cross-Cultural Comparison; D003625:Data Collection; D003627:Data Interpretation, Statistical; D008019:Life Style; D008175:Lung Neoplasms / Q000401:mortality; D018570:Risk Assessment; D012307:Risk Factors; D012907:Smoking / Q000401:mortality