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. 2002 Oct;69(1-2):91-105.
doi: 10.1016/s0378-3782(02)00065-8.

Methodologic issues in epidemiologic studies of congenital microcephaly

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Methodologic issues in epidemiologic studies of congenital microcephaly

Alan Leviton et al. Early Hum Dev. 2002 Oct.

Abstract

In this methodological paper, we explore a number of issues that pose problems for those who seek the antecedents of congenital microcephaly. We pay particular attention to three concerns: Who is a case? How should cases be classified? To whom should cases be compared?

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