Spastic paraplegia four (SPG4; also known as SPAST-HSP) is characterized by insidiously progressive bilateral lessen-limb gait spasticity. Greater than 50% of affected people have some weak spot from the legs and impaired vibration perception for the ankles.안전하고 신뢰할 수 있는 정보: 검증된 정보만 제공하여 안심하고 이�