Učitavanje...
Transition from Birth to Ten to Birth to Twenty: the South African cohort reaches 13 years of age
Birth to Ten now Birth to Twenty (BT20), is the largest and longest running longitudinal birth cohort study in Africa. In this paper, the methods, magnitude and significance of recruitment, follow-up and attrition are described. Although more than 5000 births were notified in the area in the 7-week...
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| Glavni autori: | , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
2004
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1885513/ https://ncbi.nlm.nih.gov/pubmed/15255883 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1111/j.1365-3016.2004.00572.x |
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