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Finland
Estonia
Pregnancy
Attitude of Health Personnel
Questionnaires
Health Knowledge, Attitudes, Practice
Newborn Infant
Fertilizations in Vitro
Registries
Cohort Studies
Pregnancy Outcomes
Socioeconomic Factors
Infant Mortality
Risk Factors
Abortion, Induced
Logistic Models
Prenatal Care
Estrogen Replacement Therapy
Maternal Health Services
Spontaneous Abortion
Co-Publications
55
16
13
12
11
10
8
7
6
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