Index: LILACS (Americas) Main subject: Coronary Disease Type of study: Controlled clinical trial / Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: North America Language: Spanish Journal: Evidencia aten. primaria Journal subject: ATENCAO PRIMARIA A SAUDE / Medicine / Family Practice / Delivery of Health Care Year: 1999 Type: Article