search_syntax

Search for terms within a specified distance from each other. Only available in Title, Title/Abstract, and Affiliation fields.

Skills
Scientific
1

What it does and how to use it

A skill that teaches Claude Code to do scientific tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/search-syntax && curl -fsSL https://doutorai.pt/data/lib/skills__search-syntax.md -o .claude/skills/search-syntax/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# PubMed Search Syntax and Field Tags

## Boolean Operators

PubMed supports standard Boolean operators to combine search terms:

### AND
Retrieves results containing all search terms. PubMed automatically applies AND between separate concepts.

**Example**:
```
diabetes AND hypertension
```

### OR
Retrieves results containing at least one of the search terms. Useful for synonyms or related concepts.

**Example**:
```
heart attack OR myocardial infarction
```

### NOT
Excludes results containing the specified term. Use cautiously as it may eliminate relevant results.

**Example**:
```
cancer 

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