Objectives: To validate a self administered postal questionnaire appraising risk of coronary heart disease. To determine whether use of this questionnaire increased the percentage of people at high ri
OBJECTIVE: To examine the contribution of changes in the distribution of social class to the mortality of the whole population between 1970-2 and 1991-3. DESIGN: Examination of routine data at two tim
Introduction: Evaluating long-term trends for the incidence of intracerebral hemorrhage is a priority for primary prevention. It is also important to assess the trends in the proportions of bleeding s
