Crozer-Keystone Health System on Thursday announced a partnership with Global Neurosciences Institute to provide neurological services at the Delaware County health system, which is owned by the for-profit Prospect Medical Holdings. Global Neurosciences is led by Erol Veznedaroglu, who is chair of the department of neurosurgery at the Drexel University College of Medicine, and includes eight neurosurgeons and two neurologists. "This partnership will allow us to offer patients the most advanced neurological care in Delaware County and the Philadelphia suburbs," Crozer's chief executive Patrick Gavin said in a news release.