Treatment Helps Damaged Mouse Hearts
The experiment has not proved that it works in people.
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In this lesson: Identify the experimental subjects and the measured change.
Grammar in this story: A necessary next step
are still needed
Still needed shows that further testing remains necessary even after the positive mouse result.
Your turn
Describe the result and one next step.
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Treated mouse hearts pumped about 10% more blood per beat than mock-treated hearts. More animal tests and human trials are still needed.
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