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EBM - Searching popular Internet Databases

by Michelle Howard last modified 2006-11-15 02:35 AM

Simple tips on searching some of the most popular databases on the Internet - all FREE!

Google

Reference: http://www.google.com/help/basics.html

  • use specific search terms, esp non-dictionary words or uncommon words first; e.g. pubmed, eMedicine
  • ignore capitalization, "and" and other common words (e.g. where, how) unless you add a "+" in front of the common words
  • use " phrase" to do a phrase search; e.g. "the long and winding road"
  • put ("-") in front of words related to the meaning you want to avoid; e.g. bass -music
  • "I'm Feeling Lucky" takes you straight to the most relevant website that Google found for your query

OSCAR Resource

If you are in OSCAR - use the Resource tab. If you are not then google oscarresource to get there. Or use this URL: http://res.oscarmcmaster.org
  • to search for Drug of Choice: try "tinea versicolor"
  • my favorite derm site: try "dermnet"
  • my favorite sports medicine site: try "buffalo"
  • use Ctrl-F or "/" (if using FireFox browser) to search item within the page
  • if you can't find anything, try any of the top menu sites using the same search terms (e.g. Medline Plus)

Dynamed

login: http://www.dynamicmedical.com/
- use mcmaster/dynamed as username/password (trial period for 3 months)


Full-Text Searching

You can use the full-text Search function to search for any word in the entire DynaMed database. For best results, place parentheses around search terms. For example - ("BMJ 2002 Mar 30" and “798”)

To conduct a full-text search of the database:

  1. Type a word or phrase in the Find field and click the Search Text button.  You can use the Boolean search operators (AND, OR) to combine search terms.

  2. A list of DynaMed summaries that contain the word or exact phrase in your search terms is displayed.  Click on any of the topic links to view the Topic Summary.

E-medicine

**Don't use the eMedicine search engine. Use google and put eMedicine in front of your search terms, e.g. emedicine "primary prevention" "myocardial infarction"


Pubmed

Pubmed-general

·  #7

Search #1 and #6

12:24:46

118

#6

Search fracture

12:23:15

133332

#1

Search bisphosphonates duration

12:19:16

447

Clinical queries- 66 articles

·  #10

Search (bisphosphonate fracture) AND (prognos*[Title/Abstract] OR (first[Title/Abstract] AND episode[Title/Abstract]) OR cohort[Title/Abstract])

·  #13

Search (osteoporotic fracture) AND (prognos*[Title/Abstract] OR (first[Title/Abstract] AND episode[Title/Abstract]) OR cohort[Title/Abstract])

12:30:08

283

Total Pubmed

·  Search

Most Recent Queries

Time

Result

#15

Search #14 and diagnosis

12:40:26

17073

#14

Search urinary tract infection

12:40:16

3561

Clinical queries-diagnosis

·  #16

Search (urinary tract infection) AND (specificity[Title/Abstract])

12:41:11

618

Cochrane Library

Cochrane Library: http://www.cochrane.org/

Search:  Aspirin (title, abstract or keyword) AND myocardial infarction (title, abstract or keyword) in Cochrane database of systematic reviews: 16 results

  1. Anticoagulants for preventing recurrence following presumed non-cardioembolic ischaemic stroke or transient ischaemic attack
  2. Antiplatelet agents and anticoagulants for hypertension
  3. Antiplatelet agents versus control or anticoagulation for heart failure in sinus rhythm
  4. Antiplatelet and anticoagulant drugs for prevention of restenosis/reocclusion following peripheral endovascular treatment
  5. Antiplatelet therapy for preventing stroke and other vascular events after carotid endarterectomy
  6. Antiplatelet therapy for preventing stroke in patients with non-valvular atrial fibrillation and no previous history of stroke or transient ischemic attacks
  7. Antiplatelet therapy for preventing stroke in patients with nonrheumatic atrial fibrillation and a history of stroke or transient ischemic attacks
  8. Clopidogrel and aspirin versus aspirin for preventing cardiovascular disease in those at high risk
  9. Dipyridamole for preventing stroke and other vascular events in patients with vascular disease
  10. Low molecular weight heparins versus unfractionated heparin for acute coronary syndromes
  11. Oral anticoagulants versus antiplatelet therapy for preventing further vascular events after transient ischaemic attack or minor stroke of presumed arterial origin
  12. Platelet glycoprotein IIb/IIIa blockers for percutaneous coronary revascularization, and unstable angina and non-ST-segment elevation myocardial infarction
  13. Steroid hormone treatment for Kawasaki disease in children
  14. Thienopyridine derivatives (ticlopidine, clopidogrel) versus aspirin for preventing stroke and other serious vascular events in high vascular risk patients
  15. Ticlopidine versus oral anticoagulation for coronary stenting
  16. Triflusal for preventing serious vascular events in people at high risk

 

Search: Aspirin AND primary prevention  (n=25)

*Aspirin for primary prevention of coronary heart disease

GAC-Practice Guidelines

GAC: http://www.gacguidelines.ca/
Search for "osteoporosis" yielded the November 2002 guidelines
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