Number of the records: 1
štúdie retrospektívne
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$a 67(65) $8 eng 330 1-
$a Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. $8 eng 686 $a E05.318.372.500.500.500 686 $a E05.318.372.500.750.750 686 $a N05.715.360.330.500.500.500 686 $a N05.715.360.330.500.750.825 686 $a N06.850.520.450.500.500.500 686 $a N06.850.520.450.500.750.825 750 $a Retrospective Studies $8 eng 801 -0
$a US $b DNLM $c 19990101 801 -2
$a SK $b BA006 $c 20070706 820 $a IM general only; coordinate NIM with specific disease (IM); specify geographic location if pertinent $8 eng 980 $x M
Number of the records: 1