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Participant characteristics associated with withdrawal from a large randomized trial of spermicide effectiveness
BACKGROUND: In most recent large efficacy trials of barrier contraceptive methods, a high proportion of participants withdrew before the intended end of follow-up. The objective of this analysis was to explore characteristics of participants who failed to complete seven months of planned participati...
| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2004
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC524176/ https://www.ncbi.nlm.nih.gov/pubmed/15458571 http://dx.doi.org/10.1186/1471-2288-4-23 |