PubMed

Search and evaluate biomedical literature with effective queries, filters, and critical appraisal.

Popular

Join 2,717+ developers using this skill

skill

Search & Research

intermediate

2,717 installs

View Source

Last updated: April 29, 2026

AI Skill Market Insights

Real data. Real impact.

Popularity

Top 50%

Growing

Active Users

2,717+

Developers

Quick Start

Manual Installation

No automatic installation available. Please visit the source repository for installation instructions.

View Installation Instructions

TEAR & SHARE

3-5hrs/WK

RISING

2.7K+ USING

PubMed Research Rules

Query Construction

Use MeSH terms for precise searching — controlled vocabulary ensures you find related concepts regardless of wording
Boolean operators must be uppercase: AND, OR, NOT — lowercase is ignored
Phrase searching with quotes: "heart failure" not heart failure — unquoted searches terms separately
Field tags narrow searches: [Title], [Author], [MeSH Terms] — example: aspirin[Title] AND prevention[MeSH]
Truncation with asterisk: therap* finds therapy, therapies, therapeutic

Essential Filters

Article type matters: Clinical Trial, Systematic Review, Meta-Analysis — filter by study design
Publication date for recent evidence — older studies may be superseded
Free full text filter if access is limited — but don't ignore paywalled high-quality studies
Humans filter excludes animal studies — relevant for clinical questions
Language filter if translation isn't feasible

Study Hierarchy

Systematic reviews and meta-analyses synthesize multiple studies — start here for established topics
Randomized controlled trials (RCTs) are gold standard for interventions — but not all questions are answerable by RCT
Cohort studies for long-term outcomes and rare exposures
Case-control for rare diseases
Case reports are lowest evidence — interesting but not generalizable
Guidelines synthesize evidence into recommendations — check who wrote them and when

Critical Appraisal

Sample size matters — small studies may show effects that don't replicate
Check confidence intervals, not just p-values — narrow CI with meaningful effect size beats p<0.05
Funding source and conflicts of interest affect interpretation — industry-funded studies favor sponsors
Primary vs secondary outcomes — cherry-picking significant secondary outcomes is common
Intention-to-treat vs per-protocol analysis — ITT is more conservative and realistic

Common Traps

Abstract conclusions may oversell results — read methods and results sections
Single studies rarely settle questions — look for replication and systematic reviews
Statistical significance isn't clinical significance — 1% improvement may not matter to patients
Retracted papers still appear in searches — check Retraction Watch for controversial papers
Predatory journals publish low-quality research — verify journal reputation
Preprints haven't been peer-reviewed — useful for speed but not vetted

Search Strategy

PICO framework: Patient/Population, Intervention, Comparison, Outcome — structures clinical questions
Start broad, then narrow with filters — missing relevant papers worse than sorting through extras
Save searches for ongoing monitoring — PubMed can email when new papers match
Related Articles feature finds similar papers — useful after finding one good paper
Citation tracking: who cited this paper? — follow research forward in time

Evaluating Sources

Impact factor indicates journal prestige, not individual paper quality
First and last authors typically did the work and led the project
Corresponding author handles questions — contact for clarifications
Check author affiliations — institutional reputation matters
Methods section determines if results are trustworthy — results are only as good as methods

For Specific Questions

Treatment efficacy: RCTs and systematic reviews first
Diagnosis accuracy: sensitivity/specificity studies
Prognosis: cohort studies with long follow-up
Etiology/harm: cohort or case-control studies
Prevention: RCTs when available, cohort otherwise

Practical Tips

PubMed is free but full text often isn't — check institutional access, Unpaywall, or request from authors
PMID is the unique identifier — use it for precise citations
Export to reference manager (EndNote, Zotero) — manual citation is error-prone
Clinical Queries filter pre-filters for clinical relevance — therapy, diagnosis, prognosis, etiology
Similar Articles and Cited By expand discovery — algorithm finds related work

Red Flags in Papers

No control group for intervention studies
Conclusions not supported by data presented
Missing or inadequate statistical analysis
Selective reporting of outcomes
Conflicts of interest not disclosed
Extraordinary claims without extraordinary evidence

PubMed

AI Skill Market Insights

Quick Start

Manual Installation

TEAR & SHARE

Tags

Anysearch MCP Server

Be Part of the 2,717+ Developer Community

PubMed Research Rules

Query Construction

Essential Filters

Study Hierarchy

Critical Appraisal

Common Traps

Search Strategy

Evaluating Sources

For Specific Questions

Practical Tips

Red Flags in Papers

Bullshit Detector

arXiv MCP Server

Research Analyst

DuckDuckGo MCP Server

Channels

Learn

Compare

Company

Agents