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Showing 25 to 36 of 506 entries
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Exercise testing in clinical medicine.

Lancet (London, England)

Ashley EA, Myers J, Froelicher V.
PMID: 11075788
Lancet. 2000 Nov 04;356(9241):1592-7. doi: 10.1016/S0140-6736(00)03138-X.

Exercise-induced changes in the electrocardiogram have been used to identify coronary artery disease for almost a century. Over the past decade, however, clinicians have increasingly focused on more expensive diagnostic tools believing them to offer improved diagnostic accuracy. In...

Low-frequency quadrature mode birdcage resonator.

Magma (New York, N.Y.)

Borsboom HM, Claasen-Vujcić T, Gaykema HJ, Mehlkopf T.
PMID: 9219177
MAGMA. 1997 Mar;5(1):33-7. doi: 10.1007/BF02592263.

The birdcage resonator is frequently used in conventional MRI because of its excellent attributes. Its use in low-field MRI is restricted to field strengths higher than, for example, 0.1 T, dependent on the size of the coil. This is...

Noninvasive prediction of coronary artery disease progression by comparison of serial exercise electrocardiography and dipyridamole stress echocardiography.

The international journal of cardiovascular imaging

Rodriguez O, Picano E, Fedele S, Morelos M, Marzilli M.
PMID: 12108913
Int J Cardiovasc Imaging. 2002 Apr;18(2):93-9. doi: 10.1023/a:1014672704210.

BACKGROUND: The possibility of noninvasive prediction of angiographically assessed coronary artery disease (CAD) progression by comparison of serial studies of exercise electrocardiography (EET) and dipyridamole stress echocardiography (DET) is not known.AIM: To assess the relative value of EET and...

Novel Internet-based tool for correcting apparent sensitivity and specificity of diagnostic tests to adjust for referral (verification) bias.

Radiographics : a review publication of the Radiological Society of North America, Inc

Danias PG, Parker JA.
PMID: 11896234
Radiographics. 2002 Mar-Apr;22(2):e4. doi: 10.1148/radiographics.22.2.g02mre1e4.

Referral (verification) bias-the selective sampling of a population under evaluation for definitive confirmation of disease status-has been recognized as affecting the measured sensitivity and specificity of diagnostic tests. The authors developed an Internet-based Java applet to correct the apparent...

[Basic principles of epidemiological studies of epilepsy].

Revista de neurologia

Martínez-Bermejo A.
PMID: 12040495
Rev Neurol. 2002 Mar 16-31;34(6):519-26.

OBJECTIVE: Until recently there were few epidemiological studies of epilepsy. This was probably due to lack of knowledge of concepts of epidemiology and lack of common criteria for the design of investigations. Fortunately, in recent years many studies have...

Simple feedback notes enhance specificity of feedback to learners.

Ambulatory pediatrics : the official journal of the Ambulatory Pediatric Association

Schum TR, Krippendorf RL, Biernat KA.
PMID: 12540246
Ambul Pediatr. 2003 Jan-Feb;3(1):9-11. doi: 10.1367/1539-4409(2003)003<0009:sfneso>2.0.co;2.

BACKGROUND: Learners reported that physician educators give insufficient and general feedback.OBJECTIVE: This study analyzed faculty's use of 3 x 5-inch feedback notes (preprinted with "well done" or "needs improvement") for quantity and specificity of feedback. Learners evaluated these notes...

Supercritical fluid chromatography coupled to electrospray mass spectrometry: a powerful tool for the analysis of chiral mixtures.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Garzotti M, Hamdan M.
PMID: 12013244
J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Apr 25;770(1):53-61. doi: 10.1016/s1570-0232(01)00582-7.

Supercritical fluid chromatography coupled to a hybrid mass spectrometer (Q-Tof2) equipped with electrospray ion source has been used to separate and characterise a wide range of pharmaceutical racemates. We have chosen diverse molecular structures to demonstrate the potential of...

Some pitfalls of computer modeling.

Archives of pediatrics & adolescent medicine

Thibault KL.
PMID: 11876679
Arch Pediatr Adolesc Med. 2002 Mar;156(3):296-7.

No abstract available.

Explaining evidence-based medicine in simple terms.

Family medicine

Estrada CA, Patel S, Byrd JC.
PMID: 12269528
Fam Med. 2002 Sep;34(8):564.

No abstract available.

[Diagnostic imaging in liver cirrhosis].

Der Radiologe

Hammerstingl RM, Schwarz WV, Schmitt E, Faust D, Dietrich C, Zeuzem S, Vogl TJ.
PMID: 11715576
Radiologe. 2001 Oct;41(10):852-67. doi: 10.1007/s001170170056.

For the diagnosis of liver cirrhosis ultrasound, computed tomography, magnetic resonance imaging, and angiography are recommended as imaging modalities. Ultrasound of the liver is used as a screening imaging tool in cases of patients suspicious for diffuse liver disease...

[Statistical approaches to evaluate agreement].

Medicina clinica

Carrasco JL, Jover L.
PMID: 14980157
Med Clin (Barc). 2004;122:28-34. doi: 10.1157/13057543.

Reliability and agreement of measurement methods is a fundamental issue in health sciences which is not usually borne in mind. In this document the connotations of using measurement methods with error and the switchability among measurements from methods which...

Statistical methods for identifying differentially expressed genes in DNA microarrays.

Methods in molecular biology (Clifton, N.J.)

Storey JD, Tibshirani R.
PMID: 12710672
Methods Mol Biol. 2003;224:149-57. doi: 10.1385/1-59259-364-X:149.

No abstract available.

Showing 25 to 36 of 506 entries