slide1 n.
Skip this Video
Loading SlideShow in 5 Seconds..
Owen Coxall Bodleian Health Care Libraries PowerPoint Presentation
Download Presentation
Owen Coxall Bodleian Health Care Libraries

Loading in 2 Seconds...

play fullscreen
1 / 18

Owen Coxall Bodleian Health Care Libraries - PowerPoint PPT Presentation

  • Uploaded on

Finding the best evidence. Owen Coxall Bodleian Health Care Libraries. Session objectives. Formulate a focused question Turn a focused question into a search Search TRIP & PubMed Run an Advanced search on PubMed Cochrane Library. Formulate a focussed question.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about 'Owen Coxall Bodleian Health Care Libraries' - ophira

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Finding the best evidence

Owen CoxallBodleian Health Care Libraries

session objectives
Session objectives
  • Formulate a focused question
  • Turn a focused question into a search
  • Search TRIP & PubMed
  • Run an Advanced search on PubMed
  • Cochrane Library
formulate a focussed question
Formulate a focussed question

Patient / Problem / Population





Tom, a smoker of 20 years goes to his GP to ask for help with stopping smoking. He’s tried various methods in the past but nothing has worked so far, so asks the GP whether acupuncture might be a good option.

our pico

P= Smoking

I= Acupuncture

C= N/A

O= Stopping smoking

Is acupuncture an effective way of stopping smoking?

quick search demonstration
Quick search: Demonstration

PubMed Clinical

hands on

Formulate a focussed question

  • Use your own question
  • Record the search terms you’re using

Run a quick search on

Run a quick search on PubMed Clinical Queries

run a full search strategy why bother
Run a full search strategy: Why bother?

Too few results

Too many results

Irrelevant results

Submitting a funding proposal

Writing a guideline

Conducting a systematic review

developing a search strategy
Developing a search strategy

Take your PICO and think about:

  • synonyms
  • using and/or
  • phrases
  • truncation
combine terms with or
Combine terms withOR


Smoking OR tobacco – either term can be present


combine terms with and
Combine terms withAND

Smoking AND acupuncture – both terms must be present



phrases and truncation
Phrases and truncation

Take a common word stem and look for spelling variations e.g.

  • psycho* - will retrieve papers psychosis, psychoses, psychotic…but also psychology, psychological…

Phrase searching

  • Use double quote marks if you want words to appear next to each other e.g.“psychotic episode”
develop a search strategy
Develop a search strategy

Using OR then ANDto broaden then focus the search



searching tips pubmed
Searching tips: PubMed

Subject searching - use MeSH

  • Subject headings added to articles on Medline
  • Search the MeSH Database

Finding similar articles – use the ‘Related articles’ link

search the cochrane library
Search the Cochrane Library

International Cochrane Collaboration

>90 countries

effects of interventions


Full-text Systematic Reviews

Abstracts to further SRs and RCTs

Available at:



Other sources – CEBM web-site – EBM


Finding the Evidence tutorials:



  • Short online tutorials
  • Quick guides to PubMed – basics, MeSH search and MyNCBI