Evaluation of Selection Bias in an Internet-based Study of Pregnancy Planners
Autor: | Hatch, Elizabeth E., Hahn, Kristen A., Wise, Lauren A., Mikkelsen, Ellen M., Kumar, Ramya, Fox, Matthew P., Brooks, Daniel R., Riis, Anders H., Sorensen, Henrik Toft, Rothman, Kenneth J. |
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Zdroj: | Epidemiology, 2016 Jan 01. 27(1), 98-104. |
Databáze: | JSTOR Journals |
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