title: Editorial comment--Spontaneous subarachnoid hemorrhage: volume, experience, and outcome.
authors.forename: Paul G
authors.initials: PG
authors.lastname: Matz
mesh_terms: D002140:California; D015331:Cohort Studies; D006801:Humans; D019635:Neurosurgical Procedures / Q000592:standards* / Q000706:statistics & numerical data*; D009518:New York; D017063:Outcome Assessment, Health Care; D013345:Subarachnoid Hemorrhage / Q000601:surgery*