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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
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
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
1999
Review
1999
A recent report that 93 per cent of invasive cervical cancers worldwide contain human papillomavirus (HPV) may be an… 
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
Water is the most abundant component of biological material, but it is systematically excluded from conventional electron… 
Highly Cited
1969
Highly Cited
1969
  • A. Spurr
  • Journal of ultrastructure research
  • 1969
  • Corpus ID: 40897765
Highly Cited
1933
Highly Cited
1933
  • G. Hall
  • Nature
  • 1933
  • Corpus ID: 4127155
THE translation of the eighth German edition of Freud's magnum opus is in many ways an improvement on the first. There are many…