On Doctoring MEDLINE searches, with reference librarian comments, March 2000

The question was

What is the significance of slightly elevated metanephrine levels in a patient with difficult to control hypertension?

1     *Hypertension/    results=25411   
2     limit 1 to yr=1991-2000    results=25410   
3     *Metanephrine/    results=34   
4     limit 3 to yr=1991-2000    results= 34   
5     2 and 4    results= 3   

Reference Librarian comments

You did a fine job. I did it a slightly different way and got almost the same results.

Medline 1966 to January 2000

#
Search History
Results
1
exp *Hypertension/
98408
2
exp Metanephrine/
341
3
1 and 2
23
4
limit 3 to (human and english language)
16
5
limit 4 to yr=1991-2000
4