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Prospective Studies
Risk Factors
Multivariate Analysis
Retrospective Studies
Computerized Medical Records Systems
Cohort Studies
Quality of Health Care
Quality of Life
Patient Satisfaction
Logistic Models
Treatment Outcome
United States
Massachusetts
Boston
Infants
Questionnaires
Heart Failure
HIV Infections
Health Care Surveys
Hospitals
Co-Publications
30
23
20
16
15
14
10
9
8
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