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Hunter5678 Hunter5678
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6 years ago
Parkinson's disease is caused by degeneration of neurons that release which neurotransmitter?
 
  a. Acetylcholine
  b. Substance P
  c. Serotonin
  d. Dopamine
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hthththththt
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6 years ago
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6 years ago
This site is awesome
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Good timing, thanks!
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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