An example of selection bias in submissions of aborted bovine fetuses to a diagnostic laboratory.

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@article{Thurmond1994AnEO, title={An example of selection bias in submissions of aborted bovine fetuses to a diagnostic laboratory.}, author={Mark Thurmond and Patricia Carey Blanchard and Mark L. Anderson}, journal={Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc}, year={1994}, volume={6 2}, pages={269-71} }