Absent headache despite CSF volume depletion (intracranial hypotension)

10.1111/j.1526-4610.1990.hed3004192.x

10.1212/WNL.43.3_Part_1.609

10.4065/72.5.400

10.1212/WNL.43.5.919

Rabin BM, Roychowdhury S, Meyer JR, Cohen BA, LaPat KD, Russell EJ. Spontaneous intracranial hypotension: spinal MRI findings. AJNR Am J Neuroradiol . 1998; 19: 1034–1039.

Dillon WP, Fishman RA. Some lessons learned about the diagnosis and treatment of spontaneous intracranial hypotension. AJNR Am J Neuroradiol . 1998; 19: 1001–1002.

Schaltenbrand G. Normal and pathological physiology of the cerebrospinal fluid circulation. Lancet . 1953; 1: 805–808.

10.4065/74.2.113

10.1212/WNL.51.3.786

10.1212/WNL.52.2.406