Abstract
Case-control studies are valuable for elucidating the etiology of uncommon diseases, for which other study designs would be impractical. This design is, however, liable to various biases many of which can be minimized if the control group itself is unbiased, so that controls represent the exposure distribution of the underlying population
Original language | English |
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Pages (from-to) | 271-272 |
Number of pages | 2 |
Journal | Epidemiology |
Volume | 21 |
Issue number | 2 |
DOIs | |
Publication status | Published - Mar 2010 |