Exome Sequencing: Mutilating Sensory Neuropathy with Spastic Paraplegia due to a Mutation in FAM134B Gene oleh Salma M. Wakil, Dorota Monies, Samya Hagos, Fahad Al-Ajlan, Josef Finsterer, Aisha Al Qahtani, Khushnooda Ramzan, Rawan Al Humaidy, Mohamed A. Al-Muhaizea, Brian Meyer, Saeed A. Bohlega