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EBM Session on Internet Resources and Basic Technique on Searching

David Chan, MD, CCFP, MSc, FCFP

Game: how to find the best airline ticket to a destination
-    the lowest price ticket any time but must be Air Canada (Aeroplan)
-    the most direct flight 2 days before a specific event


Case Presentation:
On-call Clinic – 28 year old woman with Crohn’s Disease acute onset of abdominal pain and gross hematuria. She is on Sulfasalazine and prednisone.

Before you start searching make sure you ask searchable clinical questions:
Re Treatment - Effectiveness of Sulfasalazine (specific)
Re Diagnosis - Renal Calculus; Spiral CT vs US/Abdo XR (specific)
Re Etiology - Association of stones and Inflammatory Bowel Diseases (general)
Re Prognosis - % patients requiring bowel resection; use of prednisone to reduce recurrences (specific)

Source – know your databases

-    how is information assembled?
-    Oct 2005: Yahoo (19.2 billion documents); Google (8.1 billion) but 60% all searches
-    Nov 2005: Uptodate.com (3000 authors)
-    how recent?
-    Should be on web page or try “view-source”
-    peer reviewed?
-    Check Cochrane Review
-    cost of subscriptions?
-    Uptodate $495+$15 S&H per year
-    ACP Medicine $199
-    MD Consult (CMA members free) or OntarioMD free for now
-    Look for free stuff!  – try eMedicine/MedlinePlus











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COMMON DISEASESRARE DISEASES
GENERAL Information
Google
MedlinePlus
eMedicine
Google
Mercks

SPECIFIC Information
Google
Cochrane Abstracts
POEMs and CATs
Google
Medline - Pubmed



Search – know your database search engines

-    Pubmed: try Clinical Queries
-    Google: how to improve yields; how about http://scholar.google.com?
-    Don’t forget a simple search engine Ctrl-F or “/” in FireFox browser


Store – keep your hard earned results; use a web-based bookmark manager

-    “Delicious” http://del.icio.us/ - set up a free account and browser buttons
-    Online Content Management System http://res.oscarmcmaster.org – get username/password from me!

Other free online bookmark/homepage managers:
-    myHq.com (http://www.myhq.com/)

-    see Dr. Risdon’s homepage (http://www.myhq.com/public/r/i/risdonc/)

-    My Web http://next.yahoo.com
-    Shadows http://www.shadows.com/
-    Clipmarks http://www.clipmarks.com/

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