TY - GEN AU - Verslegers,W AU - De Deyn,P AU - Moens,E AU - Lowenthal,A TI - [Headache like a thunderclap in a clear sky: subarachnoid hemorrhage or an innocent disorder?] SN - 0028-2162 PY - 1990///0125 KW - Cerebral Angiography KW - Decision Trees KW - Headache KW - etiology KW - Humans KW - Subarachnoid Hemorrhage KW - diagnosis N1 - Publication Type: Letter ER -