Search question: what do I want to investigate? In what databases do I think I can find the literature I need? What search terms cover my search question?
My search question is probably best covered by Pubmed and psycinfo.
Brainstorm search terms
Quick and dirty in Pubmed
Förklara controlled vocabulary Detta är descriptors
Hur kom jag till Mesh?
Antal träffar: 360 Filter
I det här fallet hade jag även behövt söka psycinfo t ex
A systematic search in PubMed
DOING A SYSTEMATIC LITERATURE SEARCH
Creating a search strategy
• The search question
• What databases?
• What search terms?
• Effects of psychological interventions to reduce dental fear in children
Dental fear Children
• Pubmed (Medline) – medicine
• Google scholar – search engine
• Cochrane – systematic literature reviews
• Embase – feebased, biomedicine, not available at Malmö university
• Psycinfo – feebased, psychology
• Web of Science – feebased, citation index, general/all subjects
• Scopus – feebased, citation index, general/all subjects
• ScienceDirect – feebased, Elsevier journals, material science
• ”PubMed comprises over 24 million citations for biomedical literature
from MEDLINE, life science journals, and online books. PubMed
citations and abstracts include the fields of biomedicine and health,
covering portions of the life sciences, behavioral sciences, chemical
sciences, and bioengineering.”
• Free online
• Structured, indexed by human beings
Cognitive behavioral therapy
Think of synonyms,
Search question: Effects of psychological interventions to reduce dental fear in children (5-16 years)
Find more search terms
• Do a ”quick and dirty” search.
• Purpose: to find search terms
• Or start with an article you already know of
MeSH – Medical Subject Headings
Controlled vocabulary used in e.g.
More search techniques
• Truncation (child*)
• Wildcard (wom?n)
• Boolean operators (AND, OR, NOT)
• Field search (Search term in title etc)
• Phrase search (”oral health”)
• Limits (Limits to language publication year etc)
Be careful in Pubmed! Truncation and phrase search can disturb your
Dental anxiety NOT children
A systematic search
1. Choose relevant databases - more than one!
2. “Quick and dirty” - search
3. Look at the subject terms for the articles you find interesting
4. Use the thesaurus to find more subject terms
5. “Brainstorm” Search Terms that are not in the thesaurus
6. Search every Search Term one at a time
7. Broaden your search with OR inside the Search Blocks
8. Combine the different Search Blocks with AND
9. Choose LIMITS
10. Look at the RESULT - Related citations? Missed anything?
11. Start all over again…
• The Cochrane Handbook for Systematic Reviews of Interventions: