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Database quick guides: PubMed

PubMed

PubMed KUVAUS ESIMERKIT

Finding variations of a word

 



Truncating
*   replaces 0…n characters at the end of a word or a phrase

prognos* finds prognosis, prognostic

Stemming

Words or phrases are matched  against a MeSH (Medical Subject Headings) translation table, a Journals translation table, the Full Author translation table, Author index, the Full Investigator (Collaborator) translation table and an Investigator (Collaborator) index.

Truncation will turn automatic term mapping off.

child rearing will search:

"child rearing"[MeSH Terms] OR ("child"[All Fields] AND "rearing"[All Fields]) OR "child rearing"[All Fields]

Phrase search

Phrase in double quotes

If the phrase is not found, the phrase is processed using automatic term mapping

Truncating at the end of a phrase

 "heart attack"

 

type 1 diabet* will find type 1 diabetes,  type 1 diabetic

 

Boolean operators

AND, OR, NOT

AND operator is applied between concepts

Combining search results in Advanced Search

 

drug therapy OR diet therapy

vitamin c common cold is translated as vitamin c AND common cold.

 

#3 AND #4

Use parentheses  to nest the consepts which should be searched first


Without parentheses searches in a left-to-right sequence   

 diabetes mellitus AND (drug therapy OR diet therapy)

 

diabetes mellitus AND drug therapy OR diet therapy will search (diabetes mellitus AND drug therapy) OR diet therapy

Links

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