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Results 1 - 1 of 1 for Hereditary spastic paraplegia 9A
  1. ... gene can cause autosomal dominant spastic paraplegia type 9A (SPG9A) and autosomal recessive spastic paraplegia type 9B (SPG9B). These conditions are part of a group of genetic disorders known as hereditary spastic paraplegias, which are characterized by muscle stiffness ( ...