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Related Concept Videos

Types of Selection01:46

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Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
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Related Experiment Video

Updated: Mar 22, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
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A quick glance at selected topics in this issue.

Pradeep Bhambhvani1, Fadi Hage2, Ami Iskandrian2

  • 1Department of Radiology, The University of Alabama at Birmingham, Birmingham, USA. pbhambhvani@uabmc.edu.

Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology
|April 13, 2016
PubMed
Summary

This issue highlights key research articles, offering readers a concise overview of significant scientific advancements and discoveries across various fields.

Keywords:
MIBG imagingPET/CT imagingmyocardial perfusion imaging: SPECTphysics of imagingradionuclide angiography

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Area of Science:

  • This issue spans multiple scientific disciplines, showcasing recent advancements.

Background:

  • Journal issues often contain diverse research, making it challenging for readers to identify key articles.
  • A curated review can enhance reader engagement and knowledge acquisition.

Purpose of the Study:

  • To provide a high-level summary of selected articles within this issue.
  • To guide readers toward important research findings and topics.

Main Methods:

  • Selection of representative articles based on perceived significance.
  • Development of brief summaries for each selected article.

Main Results:

  • Key findings from selected articles are presented.
  • The summaries cover diverse scientific areas.

Conclusions:

  • This curated glance facilitates a rapid understanding of the issue's core contributions.
  • Readers can efficiently identify areas of interest for deeper exploration.