Once or Twice Response

Known as: Once or Twice 
An indication that something occurs or occurred once or twice.
National Institutes of Health

Topic mentions per year

Topic mentions per year

1936-2017
020406019362016

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2013
Highly Cited
2013
C R E D IT S : K A T H R Y N H A N L E Y ; (I N S E T ) J A N E M E S S IN A BANGKOK—Dispatches from the frontlines of the war on… (More)
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Highly Cited
2010
Highly Cited
2010
Epithelial neuroendocrine tumors (NETs) have been the subject of much debate regarding their optimal classification. Although… (More)
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Highly Cited
2008
Highly Cited
2008
BACKGROUND CC chemokine receptor 5 antagonists are a new class of antiretroviral agents. METHODS We conducted two double-blind… (More)
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Highly Cited
2004
Highly Cited
2004
UNLABELLED In efforts to decrease emergency department (ED) crowding and health care costs, frequent users of ED services have… (More)
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Highly Cited
2003
Highly Cited
2003
OBJECTIVE To explore the efficacy and safety of fluticasone propionate, cream and ointment, applied twice weekly in addition to… (More)
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Highly Cited
2000
Highly Cited
2000
OBJECTIVE To determine the safety and efficacy of the long-acting insulin analog, insulin glargine, as a component of basal bolus… (More)
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Highly Cited
1999
Highly Cited
1999
  • Levelt
  • Trends in cognitive sciences
  • 1999
Research on spoken word production has been approached from two angles. In one research tradition, the analysis of spontaneous or… (More)
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Highly Cited
1999
Highly Cited
1999
OBJECTIVE To determine the effect of frequency of resistive training on gain in muscle strength and neuromuscular performance in… (More)
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Highly Cited
1989
Highly Cited
1989
IMR-90 normal human diploid fibroblasts, transfected with a steroid inducible mouse mammary tumor virus-driven simian virus 40 T… (More)
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Highly Cited
1987
Highly Cited
1987
A point estimator and its associated confidence interval for the size of a closed population are proposed under models that… (More)
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