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Showing 13 to 24 of 1292 entries
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A study of optimization of the complex hyperbolic secant inversion pulses.

Magnetic resonance in medicine

Mao J, Virapongse C, Fitzsimmons JR.
PMID: 2314217
Magn Reson Med. 1990 Feb;13(2):293-8. doi: 10.1002/mrm.1910130211.

The conjugate gradient method is used to optimize the inversion slice profile produced by complex hyperbolic secant selective pulses. An improved quality is obtained for the inversion slice profile at a price, however, of a lower immunity to the...

Magnetic resonance imaging: present status and future perspectives.

The British journal of radiology

Bydder GM.
PMID: 3056559
Br J Radiol. 1988 Oct;61(730):889-97. doi: 10.1259/0007-1285-61-730-889.

No abstract available.

A review of magnetic resonance imaging: considerations for the dental practitioner.

The Journal of the Greater Houston Dental Society

Alder M, Nummikoski PV, Abramovitch K.
PMID: 2196061
J Gt Houst Dent Soc. 1990 Jan;61(6):13-7.

No abstract available.

The introduction and evaluation of MRI in Japan.

International journal of technology assessment in health care

Hisashige A.
PMID: 8071002
Int J Technol Assess Health Care. 1994;10(3):392-405. doi: 10.1017/s0266462300006632.

Not only is the number of computed tomography (CT) units relative to population in Japan the highest in the world, that of magnetic resonance imaging (MRI) units is second only to the United States. This study examines the diffusion...

Tissue characterization by MRI: a multidisciplinary and multi-centre challenge today.

Magnetic resonance imaging

Podo F.
PMID: 3374289
Magn Reson Imaging. 1988 Mar-Apr;6(2):173-4. doi: 10.1016/0730-725x(88)90446-8.

No abstract available.

[Physical and technical bases of magnetic resonance tomography].

Radiologia diagnostica

Rockstroh G.
PMID: 3423256
Radiol Diagn (Berl). 1987;28(5):727-39.

No abstract available.

Slice profile improvement for a clinical MRI system.

Magnetic resonance imaging

Mao JT, Yan H, Fitzsimmons JR.
PMID: 2266803
Magn Reson Imaging. 1990;8(6):767-70. doi: 10.1016/0730-725x(90)90012-q.

Optimal control methods have been recently introduced to improve the design of selective radio frequency pulses and several optimized selective pulses that can produce excellent slice profiles have been reported. These pulses usually require high peak rf amplitudes to...

What patients need to know about magnetic resonance imaging.

The American journal of nursing

Plankey ED, Knauf J.
PMID: 2297005
Am J Nurs. 1990 Jan;90(1):27-8.

No abstract available.

Magnetic resonance imaging of congenital heart disease.

Current opinion in radiology

Revel D, Finck B.
PMID: 2204397
Curr Opin Radiol. 1990 Aug;2(4):581-5.

No abstract available.

Magnetically induced surface charges on samples in magnetic resonance imaging radio-frequency coils: effect on electric fields, sample losses, and coil resonance.

Medical physics

Harpen MD.
PMID: 2385193
Med Phys. 1990 May-Jun;17(3):362-8. doi: 10.1118/1.596516.

We present a solution to Maxwell's equations which describe the inductive interaction between an irregularly shaped sample in a magnetic resonance imaging rf coil. It is demonstrated that the inductive interaction between the coil and sample can induce charge...

Directions in magnetic resonance imaging technology.

Medical progress through technology

Ortendahl DA, Crooks LE.
PMID: 2533656
Med Prog Technol. 1989;15(3):171-84.

Over the past few years there have been substantial improvements in the performance of magnetic resonance (MR) imagers. As image quality improved it became possible to perform studies in less time, increasing the throughput and the availability of the...

[SBU: magnetic resonance tomography is expensive. Cost effectiveness is still unclear].

Lakartidningen

[No authors listed]
PMID: 1461023
Lakartidningen. 1992 Nov 18;89(47):4073-5.

No abstract available.

Showing 13 to 24 of 1292 entries