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Specimen

Known as: Research Specimen, Biological specimens, Sample 
A part of a thing, or of several things, taken to demonstrate or to determine the character of the whole, e.g. a substance, or portion of material… 
National Institutes of Health

Papers overview

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Highly Cited
2020
Highly Cited
2020
This study describes results of PCR and viral RNA testing for SARS-CoV-2 in bronchoalveolar fluid, sputum, feces, blood, and… 
Highly Cited
2014
Highly Cited
2014
Circulating tumor DNA can be used in a variety of clinical and investigational settings across tumor types and stages for… 
Highly Cited
2012
Highly Cited
2012
BACKGROUND Blockade of programmed death 1 (PD-1), an inhibitory receptor expressed by T cells, can overcome immune resistance. We… 
Highly Cited
2011
Highly Cited
2011
Background Tropical countries are thought to play an important role in the global behavior of respiratory infections such as… 
Highly Cited
2008
Highly Cited
2008
Highly Cited
2000
Highly Cited
2000
Human breast tumours are diverse in their natural history and in their responsiveness to treatments. Variation in transcriptional… 
Review
1998
Review
1998
Many genes and signalling pathways controlling cell proliferation, death and differentiation, as well as genomic integrity, are… 
Review
1988
Review
1988
Cryo-electron microscopy of vitrified specimens was just emerging as a practical method when Richard Henderson proposed that we… 
Highly Cited
1969
Highly Cited
1969
  • A. Spurr
  • Journal of Ultrastructure Research
  • 1969
  • Corpus ID: 40897765