title: The need for outcome studies. What are we doing in neurosurgery?
authors.affiliation: Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, New York, USA.
authors.forename: P C
authors.initials: PC
authors.lastname: McCormick
mesh_terms: D019317:Evidence-Based Medicine; D006301:Health Services Needs and Demand; D006801:Humans; D009493:Neurosurgery / Q000639:trends*; D012106:Research