medline search
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By Khaled Abdel-AzizAssistant lecturer of clinical oncologyAin Shams University
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3000 BC
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2013
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Human beings, who are almost unique in having the ability to
learn from the experience of others, are also remarkable for their
apparent disinclination to do so.
Douglas Adams, Last Chance to See
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MEDLINE is the U.S. National Library ofMedicine's (NLM) premier bibliographicdatabase that contains over 16 millionbiomedical journal articles. A distinctive
feature of MEDLINE is that the records areindexed with NLM's Medical Subject Headings(MeSH).
http://www.nlm.nih.gov/pubs/factsheets/mesh.htmlhttp://www.nlm.nih.gov/pubs/factsheets/mesh.html -
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Time coverage: 1950-
Subject coverage: Medicine, Nursing,Dentistry, Veterinary medicine, Alliedhealth, Pre-clinical sciences
Source: Currently, citations andabstracts.
Citationsare from approximately 5,200worldwide journals in 37 languages.
Abstractsare included for more than75% of the records.
Full textof some articles can be locatedby clicking links.
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A freely available database
Created by the National Library of Medicine
Citations to scholarly literature
Covers fields of biomedicine and health
Big Contains over 22 million citations, many
with abstracts
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Includes all of the content from MEDLINE
Also includes citations to articles not yet in
MEDLINE (very old, or very new articles not
yet indexed)
Includes selected articles in fields not covered
by MEDLINE such as astrophysics
Coverage from 1946-Present
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What is Ovid?
Ovid is a company that designs searchengines. Though they do this for a number of
products, the ones that are of particularinterest to evidence-based searchingare MEDLINEand Evidence-based MedicineReviews (EBMR).
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Is MEDLINE different than Ovid?
Ovid has the same database that you will findif you were to search MEDLINE onPubMed.
However, there are differences in the way yousearch MEDLINEon Ovid.
Ovid's software provides easier access tocertain search limiters.
Using MEDLINEon Ovid allows you to limityour search to only studies that werereviewed in EBMR.
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Where to start?
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How do I know whatterms to use?????
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Medical Subject Headings
Subject terms assigned to articles by PubMed
indexers, specialists who read article
Highly specificover 26,000 terms
Excellent way to search PubMed
utMeSH only works for citations that have
been indexed, so you will miss some citations
searching with MeSH
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What if I get 114,629results?
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Based on mathematical logic
Uses the words AND, OR, and NOT to connect
search terms
These words (Boolean operators) can either
limit or expand your search
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Rheumatoid
Arthritis
Sinus Infections
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Rheumatoid
ArthritisSinus Infections
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Shortcut for finding all forms of a word
PubMed uses the asterisk character (*) for
truncation
interven*retrieves intervention,interventional, interventions...
Expands search
Be careful Truncation turns off automatic term
mapping in simple searchcheck search details
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Searches for words adjacent to each other
PubMed only allows for exact phrase
searchingwords next to each other in exact
order
Use quotation marks to enclose search
phraseTotal resection in G M is associated
with
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I did a great searchnowwhat???
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Clipboard holds information for 8 hours
Clipboard best for short sessions
My NCBI provides permanent storage of citations
My NCBI has many other helpful personalization
features
My NCBI very useful if use PubMed regularly or
for big projects
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Advantages Easy search interface
Searches across disciplines and sources
Searches full text of articles
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Disadvantages Dont know exactly what it is searching
Searching is by exact word match only no subject
headings to provide context
Only basic limits available no age groups
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Great tool but use it as asupplement to, and not areplacement for subject indexes
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Systematic reviews of literature onspecific subjects
The Cochrane Collaboration, established in 1993, isan international network of people helpinghealthcare providers, policy makers, patients, theiradvocates, make well-informed decisions about
human health care by preparing, updating andpromoting the accessibility of Cochrane Reviews Comprises 5449 published reviews and 2370 protocols
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www.guideline.gov
EBM practice guidelines
The NGC mission is to provide physicians and
other health professionals, health care providers,health plans, integrated delivery systems,purchasers, and others an accessible mechanismfor obtaining objective, detailed information on
clinical practice guidelines and to further theirdissemination, implementation, and use.
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http://www.tripdatabase.com/
The TRIP Databaseis a free clinical searchengine. Its primary function is to helpclinicians identify the best available evidencewith which to answer this clinical questions.Its roots are firmly in the world of Evidence-based medicine
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www.nice.org.uk A special health authority of theNational Health Service (NHS) inEngland and Wales.
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NICE carries out assessments of themost appropriate treatment regimesfor different diseases. This must take
into account both desired medicaloutcomes (i.e. the best possible resultfor the patient) and also economicarguments regarding differingtreatments.
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DARE
DARE (Database of Abstracts of Reviews of Effects) isfocused primarily on systematic reviews that evaluatethe effects of health care interventions and thedelivery and organisation of health services.
Those citations identified as potential systematicreviews are then independently assessed for inclusionby two researchers using the following criteria: Were inclusion/exclusion criteria reported?
Was the search adequate?
Were the included studies synthesized?
Was the quality of the included studies assessed?
Are sufficient details about the individual included studies
presented?
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Answer questions about the effects of
interventions Develop guidelines Make policy
INCLUDES:
Summaries of systematic reviews about theeffects of health care interventions.
Commentary on the quality of a reviewsmethodology
Discussion of the results Information on the reviews impact for clinicalpractice
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Uptodate: freeuptodate.com Clinical Evidence
DynaMedPIER
Dartmouth EBM Database
Evidence- ased Journal series
Bmjupdates
InfoPOEMS
http://clinicalevidence.bmj.com/ceweb/index.jsphttp://tinyurl.com/clafe8mhttp://online.statref.com/Document.aspx?grpalias=YALE&FxId=92&DocId=1http://dom.hitchcock.org/ebm/http://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://bmjupdates.mcmaster.ca/index.asphttp://www.infopoems.com/infopoems/main.cfmhttp://www.infopoems.com/infopoems/main.cfmhttp://bmjupdates.mcmaster.ca/index.asphttp://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://www.dartmouth.edu/~library/biomed/resources/ejournals.htmlhttp://dom.hitchcock.org/ebm/http://online.statref.com/Document.aspx?grpalias=YALE&FxId=92&DocId=1http://tinyurl.com/clafe8mhttp://clinicalevidence.bmj.com/ceweb/index.jsp -
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Honesty is for the most partless profitable thandishonesty.
Plato
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Diederik Alexander Stapel
is a former professor of social psychology at Tilburg
University and before that at the University ofGroningen in the Netherlands. In 2011 TilburgUniversity suspended Stapel, pending furtherinvestigation, for fabricating and manipulating data
for his research publications. This scientificmisconduct took place over a number of years andaffected at least 55 publications.
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Theses and Dissertations
Conference Proceedings
Newsletters
Reports
Government Documents
Informal Communication (telephone calls, meetings)
Translations Census, economic and other data sources
Conference proceedings and abstracts
Research reports (completed and uncompleted)
Technical reports
Videos
Clinical Trials/
Clinical Guidelines
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But new trends are making it easier..
Open access publishing
Search engines
Collaborative writing
Publishing via wikis and blogs
Personal communications
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Grey Literature Network Service http://www.greynet.org
OpenGrey: System for Information on Grey Literature inEurope. http://www.opengrey.eu/
NewYork Academy of Medicine Grey Lit site
http://www.nyam.org/library/grey.shtml
FADE Libraryhttp://www.fade.nhs.uk/
HMIC: Health Management Information Consortium
Biomedhttp://www.biomedcentral.com/
INTUTEhttp://www.intute.ac.uk/
http://www.greynet.org/http://www.opengrey.eu/http://www.nyam.org/library/grey.shtmlhttp://www.fade.nhs.uk/http://www.biomedcentral.com/http://www.intute.ac.uk/http://www.intute.ac.uk/http://www.biomedcentral.com/http://www.fade.nhs.uk/http://www.nyam.org/library/grey.shtmlhttp://www.opengrey.eu/http://www.greynet.org/ -
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Conference Alerts- A searchable database of upcoming academic conferencesand a free alerting service.
Allconferences.com - A directory focusing on conferences, conventions, tradeshows, exhibits, workshops, events and business meetings.
Humanities & Social Sciences Online- Lists humanities and social sciencesconferences.
Medical conferences-Lists medical conferences.
Technical conferences- Lists technical conferences.
Hero Conference Diary- Links to listings of conference and seminar events in arange of subject areas.
ZETOC- Provides access to the British Library's Electronic Table of Contentsservice, dating back to 1993. The database contains details of about 20 million
journal and conference records, with 20,000 current journals and 16,000conference proceedings added per year.
CERN conference listings
http://www.conferencealerts.com/http://www.conferencealerts.com/http://www.allconferences.com/http://www.h-net.org/announce/http://www.h-net.org/announce/http://www.medicalconferences.com/http://www.medicalconferences.com/http://www.techexpo.com/events/evnts-p1.htmlhttp://www.techexpo.com/events/evnts-p1.htmlhttp://www.hero.ac.uk/sites/hero/uk/inside_he/conferences3888.cfmhttp://www.hero.ac.uk/sites/hero/uk/inside_he/conferences3888.cfmhttp://library.northampton.ac.uk/databases/info.php?rid=14http://library.northampton.ac.uk/databases/info.php?rid=14http://cdswebdev.cern.ch/collection/Conferenceshttp://cdswebdev.cern.ch/collection/Conferenceshttp://cdswebdev.cern.ch/collection/Conferenceshttp://cdswebdev.cern.ch/collection/Conferenceshttp://library.northampton.ac.uk/databases/info.php?rid=14http://library.northampton.ac.uk/databases/info.php?rid=14http://www.hero.ac.uk/sites/hero/uk/inside_he/conferences3888.cfmhttp://www.hero.ac.uk/sites/hero/uk/inside_he/conferences3888.cfmhttp://www.techexpo.com/events/evnts-p1.htmlhttp://www.techexpo.com/events/evnts-p1.htmlhttp://www.medicalconferences.com/http://www.medicalconferences.com/http://www.h-net.org/announce/http://www.h-net.org/announce/http://www.allconferences.com/http://www.conferencealerts.com/http://www.conferencealerts.com/ -
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hank you
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