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Improving teenagers' knowledge of emergency contraception: cluster randomised controlled trial of a teacher led intervention
OBJECTIVE: To assess the effectiveness of a teacher led intervention to improve teenagers' knowledge about emergency contraception. DESIGN: Cluster randomised controlled trial. SETTING: 24 mixed sex, state secondary schools in Avon, south west England. PARTICIPANTS: 1974 boys and 1820 girls in...
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| Auteurs principaux: | , , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
BMJ
2002
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC111106/ https://ncbi.nlm.nih.gov/pubmed/12016180 |
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