Simpson, J. C. (1890). Case of Congenital Spastic Paraplegia, Bilateral Athetosis, and Mental Defect. Edinb Med J.
Dyfyniad Arddull ChicagoSimpson, J. Christian. "Case of Congenital Spastic Paraplegia, Bilateral Athetosis, and Mental Defect." Edinb Med J 1890.
Dyfyniad MLASimpson, J. Christian. "Case of Congenital Spastic Paraplegia, Bilateral Athetosis, and Mental Defect." Edinb Med J 1890.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.