Big 4 michaelmas 2013

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CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY Big 4 Databases: Pubmed, Embase, Web of Knowledge, Scopus Isla Kuhn Deputy Medical Librarian University of Cambridge Medical Library

Transcript of Big 4 michaelmas 2013

Page 1: Big 4  michaelmas 2013

CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Big 4 Databases: Pubmed, Embase, Web of Knowledge, Scopus

Isla KuhnDeputy Medical LibrarianUniversity of Cambridge Medical Library

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

PubMed/Medline – 5,200

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Web of Science – 11,180

PubMed/Medline – 5,200

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Web of Science – 11,180

Embase – 5,124

PubMed/Medline – 5,200

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Web of Science – 11,180

Embase – 5,124

Scopus – 18,2451PubMed/Medline – 5,200

441

6,669

1,116

1,5686,949

60

3,055

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

All different………

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYSome differences…..

Pubmed Embase WoK Scopus

Years of coverage 1954 - present

1974 - present 1970 - present 1996 – to present

Subject headings Health & medicine

Health & medicine (pharmacology strength)

Arts, humanities, sciences, social sciences

Arts, humanities, sciences, social sciences

Added bonus Subject headings

Subject headings

“H” index

Journal Impact factors;

Conference proceedings

“H” index;

Web & Patents search;

Journal analyzer

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYBut they all do the same thing

(pretty much…..)

Pubmed Embase WoK Scopus

Password required? (RAVEN)

Complex search option (allowing for Boolean “and”/”or” searching

Subject headings

Save Searches(after you’ve logged in)

Alerts

Related articles

Citation tracking

Links to full-text

Export to reference management tool

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYBut they all do the same thing

Pubmed Embase WoK Scopus

Password required? (RAVEN) No Yes Yes Yes

Complex search option (allowing for Boolean “and”/”or” searching

Yes Yes Yes Yes

Subject headings Yes Yes No (ish) No (ish)

Save Searches (after you’ve logged in) Yes Yes Yes Yes

Alerts Yes Yes Yes Yes

Related articles Yes Yes Yes Yes

Citation tracking No No Yes Yes

Links to full-text Yes Yes Yes Yes

Export to reference management tool Yes Yes Yes Yes

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYFrom Topic to Results

• Topic -> question -> keywords/synonyms

Effect of chocolate in prevention of heart disease

...”Is consuming chocolate effective in reducing risk of heart disease?” ….

Themes / PICO / keywords

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Is consuming chocolate effective in reducing the risk of heart disease?

P –problem / patient?

I – Intervention?

C – Comparison?

O – Outcome?

Synonyms?

From Topic to Results

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Is consuming chocolate effective in reducing the risk of heart disease?

P – heart disease

I – chocolate

C –

O – risk

From Topic to Results

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

Is consuming chocolate effective in reducing the risk of heart disease?

heart disease / heart failure / cardiovascular disease / coronary disease

chocolate / cocoa / cacao

risk / prevention / prevalence

From Topic to Results

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYQuiz 1

Which will give you better hits (a more SPECIFIC search)?

1. coronary disease AND chocolate

2. chocolate OR heart failure

3. coronary disease NOT chocolate

4. risk AND chocolate

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

AND – to narrow the search by combining different topics

eg

“physiotherapy” and “stroke”

Both terms must be present in the results.

StrokePhysiotherapy

From Topic to Results:Boolean Logic

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYQuiz 2

Which will give you most hits (a more SENSITIVE search)

1. coronary disease AND heart failure

2. coronary disease OR heart failure

3. coronary disease NOT heart failure

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

From Topic to Results:Boolean Logic

OR – to broaden your search, by combining similar terms

eg

“exercise” or “physical activity”

Either term can be present in the resulting set of articles.

Cerebral-vascular Accident

Stroke

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYQuiz 3

Which will give you best hits (most SPECIFIC search)?

1. coronary disease AND chocolate AND risk

2. (coronary disease OR heart failure) AND chocolate AND risk

3. chocolate AND risk AND coronary failure

4. risk AND (chocolate OR cocoa) AND (coronary disease OR heart failure)

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

From Topic to Results:Boolean Logic

NOT – to restrict your search so that it does not contain a particular term

eg

“physical therapy” not “manual therapy”

The first, but not the second, term must be present.

Manual Therapy

Physical Therapy

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heart disease OR cardiovascular disease or coronary disease

AND

chocolate OR cocoa OR cacao

AND

prevention OR risk or prevalence

Limits?

MeSH?

From Topic to ResultsIs consuming chocolate effective in the prevention of heart disease?

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYAccess

http://library.medschl.cam.ac.uk/

– click “databases for literature searching”

- Pick embase, medline (pubmed), web of science and scopus

or

wok.mimas.ac.uk

www.scopus.com

gateway.ovid.com/autologin.cgi

http://tinyurl.com/campubmed

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYWhat’s the difference?

Pubmed Embase WoK Scopus

Password required? (RAVEN) No Yes Yes Yes

Complex search option (allowing for Boolean “and”/”or” searching

Yes Yes Yes Yes

Subject headings Yes Yes No (ish) No (ish)

Save Searches (after you’ve logged in) Yes Yes Yes Yes

Alerts Yes Yes Yes Yes

Related articles Yes Yes Yes Yes

Citation tracking No No Yes Yes

Links to full-text Yes Yes Yes Yes

Export to reference management tool Yes Yes Yes Yes

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

LibrarySearch / e-journals@cambridge http://search.lib.cam.ac.uk/

and/or NHS ejournals? http://tinyurl.com/nhs-ejournals

From strategy to references

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYSearching – Do’s & Don’ts

• Don’t try to do the whole search in one line

• Don’t imagine that your first attempt will get all the articles you need

• Don’t give up!

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYSearching – Do’s & Don’ts

• Do think of alternative ways of talking about your topic

• Do learn from your hits and your misses

• Do remember that you still have to critically appraise each article

• Do ask for help

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARY

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CAMBRIDGE UNIVERSITY LIBRARYMEDICAL LIBRARYHelp!

Isla Kuhn

Reader Services Librarian

Medical Library

email: [email protected]

phone: (01223) 336750

web: library.medschl.cam.ac.uk

Thank you.