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High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and statistical analysis.
Ostergaard L, Weisskoff RM, Chesler DA, Gyldensted C, Rosen BR. Ostergaard L, et al. Magn Reson Med. 1996 Nov;36(5):715-25. doi: 10.1002/mrm.1910360510. Magn Reson Med. 1996. PMID: 8916022
Reliable estimation of microvascular flow patterns in patients with disrupted blood-brain barrier using dynamic susceptibility contrast MRI.
Hansen MB, Tietze A, Kalpathy-Cramer J, Gerstner ER, Batchelor TT, Østergaard L, Mouridsen K. Hansen MB, et al. Among authors: ostergaard l. J Magn Reson Imaging. 2017 Aug;46(2):537-549. doi: 10.1002/jmri.25549. Epub 2016 Nov 30. J Magn Reson Imaging. 2017. PMID: 27902858
Analysis of partial volume effects on arterial input functions using gradient echo: a simulation study.
Kjølby BF, Mikkelsen IK, Pedersen M, Østergaard L, Kiselev VG. Kjølby BF, et al. Among authors: ostergaard l. Magn Reson Med. 2009 Jun;61(6):1300-9. doi: 10.1002/mrm.21849. Magn Reson Med. 2009. PMID: 19365857
Inferring origin of vascular supply from tracer arrival timing patterns using bolus tracking MRI.
Christensen S, Calamante F, Hjort N, Wu O, Blankholm AD, Desmond P, Davis S, Ostergaard L. Christensen S, et al. Among authors: ostergaard l. J Magn Reson Imaging. 2008 Jun;27(6):1371-81. doi: 10.1002/jmri.21386. J Magn Reson Imaging. 2008. PMID: 18504757
Cerebral perfusion imaging by bolus tracking.
Østergaard L. Østergaard L. Top Magn Reson Imaging. 2004 Feb;15(1):3-9. doi: 10.1097/00002142-200402000-00002. Top Magn Reson Imaging. 2004. PMID: 15057169 Review.
Effects of tracer arrival time on flow estimates in MR perfusion-weighted imaging.
Wu O, Østergaard L, Koroshetz WJ, Schwamm LH, O'Donnell J, Schaefer PW, Rosen BR, Weisskoff RM, Sorensen AG. Wu O, et al. Among authors: ostergaard l. Magn Reson Med. 2003 Oct;50(4):856-64. doi: 10.1002/mrm.10610. Magn Reson Med. 2003. PMID: 14523973
Evaluation of four postprocessing methods for determination of cerebral blood volume and mean transit time by dynamic susceptibility contrast imaging.
Perkiö J, Aronen HJ, Kangasmäki A, Liu Y, Karonen J, Savolainen S, Østergaard L. Perkiö J, et al. Among authors: ostergaard l. Magn Reson Med. 2002 May;47(5):973-81. doi: 10.1002/mrm.10126. Magn Reson Med. 2002. PMID: 11979577
Quantitative cerebral perfusion using the PRESTO acquisition scheme.
Pedersen M, Klarhöfer M, Christensen S, Ouallet JC, Ostergaard L, Dousset V, Moonen C. Pedersen M, et al. Among authors: ostergaard l. J Magn Reson Imaging. 2004 Dec;20(6):930-40. doi: 10.1002/jmri.20206. J Magn Reson Imaging. 2004. PMID: 15558570
Principles of cerebral perfusion imaging by bolus tracking.
Østergaard L. Østergaard L. J Magn Reson Imaging. 2005 Dec;22(6):710-7. doi: 10.1002/jmri.20460. J Magn Reson Imaging. 2005. PMID: 16261573
Tracer arrival timing-insensitive technique for estimating flow in MR perfusion-weighted imaging using singular value decomposition with a block-circulant deconvolution matrix.
Wu O, Østergaard L, Weisskoff RM, Benner T, Rosen BR, Sorensen AG. Wu O, et al. Among authors: ostergaard l. Magn Reson Med. 2003 Jul;50(1):164-74. doi: 10.1002/mrm.10522. Magn Reson Med. 2003. PMID: 12815691
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