Recruitment of Asthmatic Ethnic Minorities Into a Methacholine Research Study: Factors Influencing Participation
| Autor: | Hardie, Grace E. *, Liu, Rebecca, Darden, Jennifer, Gold, Warren M. |
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| Zdroj: | In Journal of the National Medical Association February 2011 103(2):138-149 |
| Databáze: | ScienceDirect |
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