## Abstract ## BACKGROUND: In caseβcontrol studies on teratogenic risks of maternal drug use during pregnancy, the use of normal or malformed controls may lead to recallβbias or selection bias. This can be avoided by using controls with a genetic disorder. However, researchers are hesitant to use
Hospital setting for birth and use of medical procedures in low-risk women
β Scribed by Leah L. Albers; David A. Savitz
- Publisher
- Elsevier Science
- Year
- 1991
- Weight
- 581 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0091-2182
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