993 resultados para Código postal
Resumo:
Inclui bibliografia
Resumo:
Inclui notas explicativas, bibliográficas e bibliografia
Resumo:
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 risk of coronary heart disease and decreased the percentage of people at low risk who had their cholesterol concentration measured.