Full text: Available Index: LILACS (Americas) Main subject: Health Surveillance / Health Systems / Community Participation / Right to Health Type of study: Screening study Country/Region as subject: South America / Brazil Language: Portuguese Journal: Saúde debate Journal subject: Public Health / Health Services Year: 1987 Type: Article Affiliation country: Brazil Institution/Affiliation country: Vigilância Sanitária da Secretaria do Estado da Saúde do Paraná/BR