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Challenge tests

Known as: CHAL, challenge test, challenge testing 
National Institutes of Health

Related topics

Related topics

50 relations
Beta hydroxybutyrate^post meal:SCnc:Pt:Bld:QnBile acid^2H post meal:SCnc:Pt:Ser:QnCalcium^5H post 500 mg calcium PO:SCnc:Pt:Urine:QnCalcium^pre 500 mg calcium PO:SCnc:Pt:Urine:Qn

Papers overview

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Highly Cited
2020
Highly Cited
2020
Sulfonate vs Sulfonate: Nickel and Palladium Multimetallic Cross-Electrophile Coupling of Aryl Triflates with Aryl Tosylates.
While phenols are frequent and convenient aryl sources in cross-coupling, typically as sulfonate esters, the direct cross-Ullmann… 
Highly Cited
2019
Highly Cited
2019
Endo- and Exo-Functionalized Tetraphenylethylene M12L24 Nanospheres: Fluorescence Emission inside a Confined Space.
The intrinsic relationship between the properties of green fluorescent protein (GFP) and its encapsulated small molecular light… 
Highly Cited
2019
Highly Cited
2019
Isolated Iron Single Atomic Site Catalyzed Chemoselective Transfer Hydrogenation of Nitroarenes to Arylamines.
Selective hydrogenation of nitroarenes to arylamines is a great chal-lenge due to the complicated mechanism and competitive hydro… 
Highly Cited
2013
Highly Cited
2013
Spectral features of Earth-like planets and their detectability at different orbital distances around F, G, and K-type stars
Context. In recent years, more and more transiting terrestrial extrasolar planets have been found. Spectroscopy already yielded… 
Review
2010
Review
2010
Multiple sclerosis and mobility-related assistive technology: systematic review of literature.
Multiple sclerosis (MS) causes a wide variety of neurological deficits, with ambulatory impairment the most obvious cause of… 
Highly Cited
2009
Highly Cited
2009
Before Going Any Further With Social Capital: Eight Key Criticisms to Address
The concept of social capital emerged as an influential research theme in a number of disciplines in the past twenty years, as… 
Highly Cited
2005
Highly Cited
2005
Order and regulation: Global Governance as a hegemonic discourse of international politics?
Abstract Under the heading of ‘Global Governance’ a discussion is taking place on changes in political regulation at the… 
Highly Cited
1993
Highly Cited
1993
Subject analysis and indexing: from automated indexing to domain analysis
  • H. Albrechtsen
  • The Indexer: The International Journal of…
  • 1993
  • Corpus ID: 15864586
Discusses the nature of subject analysis, suggesting three different conceptions of this: simplistic, content-oriented, and… 
Highly Cited
1989
Highly Cited
1989
Spontaneous Ruptured Hepatocellular Carcinoma; An Appraisal of Surgical Treatment
Spontaneous rupture with bleeding is not an infrequent complication of hepatocellular carcinoma (HCC). From May, 1972 to January… 
Review
1985
Review
1985
Does professional training make a therapist more effective?
Jeffrey S. Berman and Nicholas C. NortonUniversity of Texas at AustinIn a recent review, Hattie, Sharpley, and Rogers (1984… 
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