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Medline ® Abstract for Reference 17

of 'Microcephaly in infants and children: Etiology and evaluation'

17
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Methodologic issues in epidemiologic studies of congenital microcephaly.
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Leviton A, Holmes LB, Allred EN, Vargas J
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Early Hum Dev. 2002;69(1-2):91.
 
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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Department of Neurology, Harvard Medical School and Children's Hospital, Neuroepidemiology Unit, Boston, MA 02115-5724, USA. alan.leviton@tch.harvard.edu
PMID