A Benign But Potentially Life-Threatening Headache
Neurol 87:e168-e173, Zhang, D.,et al, 2016
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Neurocrit Care 7:169-171, Poulopoulos,M. &Finelli,P.F., 2007
Metastatic spinal cord compression
BMJ 342:d2402, Quraishi, N. & Esler, C., 2011