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Searching on OvidSP Medline and Embase
Information Skills 2 (Year 1): Oct 2013
Catriona, Kirsty and Stuart
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Image from: http://farm6.staticflickr.com/5467/8943967597_417bcb9e79.jpg
I regularly use ... if I am writing .. or looking for research evidence to support my learning.
When searching for a paper to critically appraise...
For every essay my first step is a multi-term advanced search on Embase.
Each week there is an evidence based aspect to our PBL studies, using these ... enables me to find relevant documents .. I can incorporate into my learning ..
I use... all the time to find articles, especially for SSC and CATs!Quotes from HYMS Library2013 student 3 Questions survey
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EmbaseBiomedicalPharmaceuticalEuropeanElsevier22+million records7,500 active peer-reviewed journals
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EmbaseBiomedicalPharmaceuticalEuropeanElsevier22+million records7,500 journals
MedlineBiomedical and healthThe ‘daddy’U.S National Library of Medicine18+ million records5,500 journalsOther formats: PubMed, WoK..
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Why these and not Google?
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…won’t find everything!
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Only the tip of the iceberg
Results influenced by previous searches. Hint: sign out when you search..
Google scholar: easy and citation function BUT:
not so good for complex searches;
plus nobody checking has rounded coverage of a subject area…
Image from http://wallpapers5.com/wallpaper/Tip-of-the-Iceberg/
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Where to start?Prepare before you search
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Does the use of silver based wound dressing help prevent reinfection for type 2 diabetes related lower extremity based wounds?
Image from http://woodsrecruiting.com/wp-content/uploads/2011/12/College-Recruiting-Jigsaw-Puzzle.png 14/10/12
Define your topic
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Does the use of silver based wound dressing help prevent reinfection for type 2 diabetes related lower extremity based wounds?
Image from http://woodsrecruiting.com/wp-content/uploads/2011/12/College-Recruiting-Jigsaw-Puzzle.png 14/10/12
Break it down into parts
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Does the use of silver based wound dressing help prevent reinfection for type 2 diabetes related lower extremity based wounds?
Reinfection possible alternatives:
Re-infection
Infection
Contamination
Inflammation
Image from http://woodsrecruiting.com/wp-content/uploads/2011/12/College-Recruiting-Jigsaw-Puzzle.png 14/10/12
Consider phrasing and terms
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Does the use of silver based wound dressing help prevent reinfection for type 2 diabetes related lower extremity based wounds?
Reinfection possible alternatives:
Re-infect* OR
Infect*
Contaminat*
Inflammat*
Image from http://woodsrecruiting.com/wp-content/uploads/2011/12/College-Recruiting-Jigsaw-Puzzle.png 14/10/12
Consider truncation, Boolean etc
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What next?(We really do all love Google..)
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Freetext for that
feel..
Illustration : http://www.flickr.com/photos/rustybrick/2225240179/
Multiple fieldsVariable spellings, Colloquialisms etc
e.g. Economy Class Syndrome for DVT
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But be disciplined...(Belt and braces)
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…and
combine with
Subject Headingsearching
Image from http://www.flickr.com/photos/grumpybear276/4109813576/
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Subject Heading searching
Image from: http://farm6.staticflickr.com/5297/5485671820_a6de4d2298.jpg
MeSH
Predefined
Structured THESAURUS hierarchies: ‘ trees’
Assigned headers by a human
EXPLODE and Focus options
Use with freetext for ALL PARTS of your search
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What does this
‘thesaurus tree’ look like?
Image from: http://farm4.staticflickr.com/3690/9921404626_7a08c2aba5.jpg
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x
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Use both
Freetext
and
Subject Headings
Image from http://www.flickr.com/photos/grumpybear276/4109813576/
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e.g.
Do the same for all your concepts......
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e.g.
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Image from http://farm4.staticflickr.com/3731/10011622594_9c4f544bfa.jpgHow do I limit?
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Image from http://farm4.staticflickr.com/3731/10011622594_9c4f544bfa.jpg
Limit at the end of a complete search
e.g. by:
Language (e.g. English only)
Publication type e.g. RCT
Date (e.g. 2000 onwards – but use with caution)
By field e.g. author, journal
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Image from http://farm4.staticflickr.com/3731/10011622594_9c4f544bfa.jpgWhen do I stop?
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Image from http://farm4.staticflickr.com/3731/10011622594_9c4f544bfa.jpg
Depends ... on your information need and time available
but remember:
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Image from http://farm4.staticflickr.com/3731/10011622594_9c4f544bfa.jpg
Don’t over limit a search
The good search brings back a selection of relevant articles on a topic not ONE article
Scanning through results is part of the process
It takes approx 15 seconds to scan a Medline abstract
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NOWSelf paced workbook
Use your York Account if possible
Model answers and examples at back
Help is here - and available via [email protected]
Feedback for prize draw