The pond is wider than you think! Problems encountered when searching family practice literature.
OBJECTIVE
To explain differences in the results of literature searches in British general practice and North American family practice or family medicine.


METHODS
Comparative literature search.


METHODS
The Department of Family and Community Medicine at the University of Toronto in Ontario.


METHODS
Literature searches on MEDLINE demonstrated that certain search strategies ignored certain key words, depending on the search engine and the search terms chosen. Literature searches using the key words "general practice," "family practice," and "family medicine" combined with the topics "depression" and then "otitis media" were conducted in MEDLINE using four different Web-based search engines: Ovid, HealthGate, PubMed, and Internet Grateful Med.


METHODS
The number of MEDLINE references retrieved for both topics when searched with each of the three key words, "general practice," "family practice," and "family medicine" using each of the four search engines.


RESULTS
For each topic, each search yielded very different articles. Some search engines did a better job of matching the term "general practice" to the terms "family medicine" and "family practice," and thus improved retrieval. The problem of language use extends to the variable use of terminology and differences in spelling between British and American English.


CONCLUSIONS
We need to heighten awareness of literature search problems and the potential for duplication of research effort when some of the literature is ignored, and to suggest ways to overcome the deficiencies of the various search engines.
Rosser
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Department of Family and Community Medicine, University of Toronto, ON. dfcm@utoronto.ca
Starkey
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Shaughnessy
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D003863:Depression; D005194:Family Practice; D006801:Humans; D016247:Information Storage and Retrieval; D020407:Internet; D016239:MEDLINE; D009656:North America; D010033:Otitis Media; D015203:Reproducibility of Results; D012984:Software; D006113:United Kingdom