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Mary H Grassley

Explore the profile of Mary H Grassley including associated specialties, affiliations and a list of published articles. Areas
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1.
Haggerty K, Fleming C, Catalano R, Petrie R, Rubin R, Grassley M
Eval Program Plann . 2007 Nov; 31(1):1-9. PMID: 18045690
Longitudinal studies require high follow-up rates in order to maintain statistical power, reduce bias, and enhance the generalizability of results. This study reports on locating and survey completion for a...