Operative Neurosurgery (ONS), a companion publication to Neurosurgery from the Congress of Neurological Surgeons, complements the clinical and research studies published in Neurosurgery by featuring technical material that highlights operative procedures, anatomy, instrumentation, devices, technology. ONS is the practical resource for cutting-edge material that connects the surgeon directly to the operating room.

In addition to receiving 12 issues per year of Neurosurgery, members of the Congress and non-member subscribers receive 4 issues per year of full-text online access to ONS, the world’s most up-to-the-minute neurosurgery resource. For professionals aware of the rapid pace of developments in the field, the Neurosurgery/ONS package is nothing short of indispensable. We at the Congress of Neurological Surgeons, the Neurosurgery editorial office, and Wolters Kluwer hope you enjoy these features of the online site.