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4 résultats pour : lab rat

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Two women weigh a rat as part of a study on weight and blood changes
UMG22A03_322

Two women weigh a rat as part of a study on weight...

Injecting Pest Bacillus into rats
UMG20A65_250

Injecting Pest Bacillus into rats

Just Hanging Lab Rat
UMG20A16_240

Just Hanging Lab Rat

Weight Watcher Lab Rat
UMG20A16_239

Weight Watcher Lab Rat