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Literature DB >> 7372772

Group sequential methods for cohort and case-control studies.

Abstract

Substances：
DDT

Source DB: PubMed Journal: J Chronic Dis ISSN： 0021-9681

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2 in total

Authors: R Aplenc; H Zhao; T R Rebbeck; K J Propert
Journal: Genetics Date: 2003-03 Impact factor: 4.562

Authors: H L Howe
Journal: Am J Public Health Date: 1982-07 Impact factor: 9.308

2 in total