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Response to ?what kind of controls to use in case control studies of malformed infants: Recall bias versus ?Teratogen nonspecificity? bias?

✍ Scribed by Prieto, Luis ;Mart�nez-Frias, Mar�a Luisa


Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
19 KB
Volume
62
Category
Article
ISSN
0040-3709

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✍ Hook, Ernest B. 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 30 KB 👁 2 views

that are prospective non-case control. In the absence of random or at least nondifferential assignment of exposure, the possibility of undetected confounding due to association of exposure or defect with some uncontrolled variable complicates causal interpretation of the association of a birth defec