Coco Trivia

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Which medical discovery did Karl Landsteiner make in 1901?

Lymphatic system

Cause of TB

Cholesterol

Blood groups

Padlock

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Choice "A": Lymphatic system of users selected this choice.
Choice "B": Cause of TB of users selected this choice.
Choice "C": Cholesterol of users selected this choice.
Choice "D": Blood groups of users selected this choice.

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