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These medical condition or symptom topics may be relevant to medical information for SMA IV:
SMA IV is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that SMA IV, or a subtype of SMA IV,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Source - NIH
Search to find out more about SMA IV:
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