1. Expanded endonasal approach: the rostrocaudal axis. Part I. Crista galli to the sella turcica;Kassam;Neurosurg Focus,2005
2. Expanded endonasal approach: the rostrocaudal axis. Part II. Posterior clinoids to the foramen magnum;Kassam;Neurosurg Focus,2005
3. Expanded endonasal approach: fully endoscopic, completely transnasal approach to the middle third of the clivus, petrous bone, middle cranial fossa, and infratemporal fossa;Kassam;Neurosurg Focus,2005
4. The front door to Meckel’s cave: an anteromedial corridor via expanded endoscopic endonasal approach—technical considerations and clinical series;Kassam;Neurosurgery,2009
5. Endoscopic endonasal pituitary transposition for a transdorsum sellae approach to the interpeduncular cistern;Kassam;Neurosurgery,2008