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Related Concept Videos

Therapeutic Index01:13

Therapeutic Index

The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Synthetic Biology02:55

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Related Experiment Video

Updated: May 18, 2026

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

Revised h index for biomedical research.

Andrej A Romanovsky1

  • 1Systemic Inflammation Laboratory (FeverLab), St. Joseph's Hospital and Medical Center, Phoenix, AZ, USA. andrej.romanovsky@dignityhealth.org

Cell Cycle (Georgetown, Tex.)
|September 18, 2012
PubMed
Summary
This summary is machine-generated.

The h index needs revision for life sciences. A new index (r) weights first/last authorship four times higher, better reflecting research contributions in biology and medicine.

Related Experiment Videos

Last Updated: May 18, 2026

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

Area of Science:

  • Life Sciences
  • Biology
  • Medicine
  • Bibliometrics

Background:

  • The standard h index quantifies research output but is ill-suited for life sciences.
  • Author position in life sciences often denotes contribution level (e.g., first/last author leads, middle authors contribute).

Purpose of the Study:

  • To revise the h index for better applicability in life sciences.
  • To develop a new metric that accurately reflects research contributions based on authorship position.

Main Methods:

  • The standard h index was modified by assigning a higher weight (4x) to first and last authorship papers.
  • This revised index is termed the 'r index'.

Main Results:

  • The revised index (r) provides a more accurate measure of research productivity in biology and medicine.
  • It differentiates between leading independent research and contributing to others' projects.

Conclusions:

  • The r index offers a superior method for evaluating scientific output in fields where authorship order signifies contribution.
  • This revised metric emphasizes the value of leading and conducting original research.