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.
Zdroj:	Epidemiology, 2016 Jan 01. 27(1), 98-104.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26511889 Zobrazit plný text záznamu