| http://www.w3.org/ns/prov#value | - Loss of speech or trouble talking or understanding language Sudden loss of vision, particularly in only one eye Sudden, severe headache with no apparent cause Unexplained dizziness, loss of balance or coordination (especially if associated with any of the above symptoms) If you or someone you know is having these signs, call 9-1-1 and seek medical help immediately.
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