title: Case fatality after subarachnoid haemorrhage: declining, but why?
authors.forename: Rustam
authors.initials: R
authors.lastname: Al-Shahi Salman
authors.forename: Cathie L M
authors.initials: CL
authors.lastname: Sudlow
mesh_terms: D017677:Age Distribution; D002121:Calcium Channel Blockers / Q000627:therapeutic use; D004621:Embolization, Therapeutic / Q000379:methods / Q000639:trends; D006801:Humans; D015201:Meta-Analysis as Topic; D009553:Nimodipine / Q000627:therapeutic use; D017063:Outcome Assessment, Health Care / Q000379:methods; D019736:Prostheses and Implants / Q000706:statistics & numerical data / Q000639:trends; D012044:Regression Analysis; D015203:Reproducibility of Results; D012923:Social Class; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis* / Q000401:mortality* / Q000628:therapy; D015996:Survival Rate / Q000639:trends; D014656:Vascular Surgical Procedures / Q000379:methods / Q000639:trends
chemical_list: D002121:Calcium Channel Blockers; D009553:Nimodipine