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Anti-Bacterial Agents
2
Child
2
Humans
Iceland
2
Acute Disease
1
Adult
1
Confidence Intervals
1
Female
1
Follow-Up Studies
1
Male
1
Middle Ear Ventilation
1
Nose
1
Odds Ratio
1
Otitis Media with Effusion
1
Parents
1
Patient Satisfaction
1
Penicillin Resistance
1
Pharynx
1
Preschool
1
Probability
1
Questionnaires
1
Risk Assessment
1
Sampling Studies
1
Severity of Illness Index
1
Socioeconomic Factors
1
Streptococcus pneumoniae
1
Treatment Outcome
1
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