UpToDate vs ClinicalKey (2025): Expert Opinion vs Source Library

Last reviewed: 2025-12-17 · Reviewed by

At a Glance

Who is it for?

UpToDate:Clinicians

ClinicalKey:Researchers / Academics

Why choose UpToDate?

  • **Synthesized**: Experts have already read the papers and summarized them.
  • **Recommendations**: Gives clear 'Grade 1A' advice.
  • **Consistency**: Unified editorial voice.

Why choose ClinicalKey?

  • **Source Material**: Access to full-text journals and textbooks.
  • **Multimedia**: Massive library of surgical videos and images.
  • **Breadth**: If it's in an Elsevier book, it's here.

Feature Comparison

CapabilityUpToDateClinicalKey
OutputTopic Review ArticleSearch Results (Books/Journals)
StrengthClinical Decision MakingAcademic Research

In-Depth Analysis

Overview

UpToDate tells you the answer. It is a secondary source where experts interpret the evidence for you.

ClinicalKey gives you the evidence. It is a primary source search engine that lets you find the original book chapters and journal articles. Most clinicians prefer UpToDate for patient care and ClinicalKey for research.

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Use-Cases

How do I treat X?

When to choose UpToDate

  • **Winner.** Gives a clear, actionable answer.

When to choose ClinicalKey

  • Shows you a list of chapters and papers to read.

Preparing a Presentation

When to choose UpToDate

  • Good for background.

When to choose ClinicalKey

  • **Winner.** Find high-quality images and primary references.