Tyrosol bioavailability in humans after ingestion of virgin olive oil.

1. Kronholm V, Lintrup J. Spectrophotometric investigation of the cerebrospinal fluid in the near-ultraviolet region. Acta Psychiatr Neurol Scand 1960;35: 314–29. 2. Buruma OJS, Janson HLF, van den Bergh FAJTM, Bots GTAM. Blood stained cerebrospinal fluid: traumatic puncture or haemorrhage? J Neurol Neurosurg Psychiatr 1981;44:144–7. 3. Vermeulen M, Gijn van J, Bleijenberg BG. Spectrophotometric analysis of CSF after subarachnoid haemorrhage: limitations in the diagnosis of rebleeding. Neurology 1983;33:112–4. 4. Tsementzis SA, Hitchcock ER, DeCothi A, Gill JS. Comparative studies of the diagnostic value of cerebrospinal fluid spectrophotometry and computed tomographic scanning in subarachnoid haemorrhage. Neurosurgery 1985; 17:908–12. 5. Wahlgren NG, Lindquist C. Haem derivatives in the cerebrospinal fluid after intercranial haemorrhage. Eur Neurol 1987;26:216–21. 6. Trbojevic-Cepe M, Vogrinc Z, Brinar V. Diagnostic significance of methemoglobin determination in colorless cerebrospinal fluid. Clin Chem 1992;38: 1404–8. 7. Page KB, Howell SJ, Smith CML, Dabbs DJW, Malia RG, Porter NR, et al. Bilirubin, ferritin, D-dimers and erythrophages in the cerebrospinal fluid of patients with suspected subarachnoid haemorrhage but negative computed tomography scans. J Clin Pathol 1994;47:986–9. 8. Beetham R, Fahie-Wilson MN, Park D. What is the role of CSF spectrophotometry in the diagnosis of subarachnoid haemorrhage? Ann Clin Biochem 1998;35:1–4. 9. Chalmers AH, Kiley M. Detection of xanthochromia in cerebrospinal fluid. Clin Chem 1998;44:1740–2. 10. Wahlgren NG, Bergström K. Determination of haem derivatives in the cerebrospinal fluid—a semi-quantitative method. J Neurol Neurosurg Psychiatr 1983;46:653–8. 11. Stroes JW, van Rijn HJM. Quantitative measurement of blood pigments in cerebrospinal fluid by derivative spectrophotometry. Ann Clin Biochem 1987;24:189–97. 12. Müller FAJ, Farago F, Kaufmann H, Bürgi W. Methode und klinische bedeutung der liquorspectrophotometrie. Nervenarzt 1989;60:255–61.