Assertion: als's symptom | /r/CreatedBy | the death of motor neurons
Facets:
Source sentences:
text: The symptoms of ALS are caused by the death of motor neurons in the spinal cord and brain.
text: The symptoms of ALS are caused by the death of motor neurons in the spinal cord and brain.
text: The symptoms of ALS are caused by the death of motor neurons in the spinal cord and brain.