[Contribution to the study of spastic spinal paraparesis of the involutive age].
D001161:Arteriosclerosis; D006801:Humans; D009128:Muscle Spasticity; D010243:Paralysis; D020335:Paraparesis; D020336:Paraparesis, Spastic; D013116:Spinal Cord
ARTERIOSCLEROSIS; PARALYSIS, SPASTIC; SPINAL CORD