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Tb: Spiders Considered as Medically Important
This article investigates how humans vary in their vulnerability to venomous spiders and the importance of certain spiders to medical research. It investigates what factors contribute to this difference.
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Araneae, Spiders of North West Europe: The Black Widow
This site contains information on the black widow's family. Includes information and pictures on the entire family, not just the black widow.