Health Services Research / Birth Weight / Pregnancy / Humans / Female / Rio de Janeiro / Young Adult / Newborn Infant / Adult / Maternal Age / Time Factors / Breast feeding / Random-Effects Models / Protective and Risk Factors / Cesarean Section / Public Art Hospitals / Postnatal Care / Prenatal Care / Socioeconomic Factors / Rio de Janeiro / Young Adult / Newborn Infant / Adult / Maternal Age / Time Factors / Breast feeding / Random-Effects Models / Protective and Risk Factors / Cesarean Section / Public Art Hospitals / Postnatal Care / Prenatal Care / Socioeconomic Factors
Brazil / Biopsy / Humans / Female / Mammography / Middle Aged / Analysis of Variance / Time Factors / Retrospective Studies / Chi Square Distribution / Public Art Hospitals / Middle Aged / Analysis of Variance / Time Factors / Retrospective Studies / Chi Square Distribution / Public Art Hospitals