1. Examen neurológico. Ediciones SEN;Codina,2012
2. Localization in clinical neurology;Brazis,2012
3. Clival chordoma presenting as acute esotropia due to bilateral abducens palsy;Harada;Ophthalmologica.,1997
4. Bilateral abducens nerve palsies from clivus chordoma;Kline;Ann Ophthalmol.,1981
5. Multiple myeloma complicated by bilateral abducens nerve palsy due to a tumor in the clivus;Kanemura;Rinsho Ketsueki.,2001