Publications like Frank Stilley's The $100,000 Rat and Other Animal Heroes for Human Health tend to paint a glowing picture of animal experimentation as untainted by inhumane practices and motivated by the pure selfless desire to better the human condition (Goodwin 217). ... In sum, animals resembled humans to varying degrees according to species and in relation to the system or type of reaction under investigation. ... Researchers can also set up a situation for testing some reaction where the immediate cause, relevant influences, and irrelevant or extraneous factor can be strictly cont...

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