MEDLINE <1996 to the present> That concludes the first part of our search. The results are displayed below, in the Search History box. # Search History Results Display 1 *estrogen replacement therapy/ 3200   Let's look at the "Search History" above, to see how our first search is displayed on the screen: # = set number 1 Each search is given a set number. *estrogen replacement therapy "Estrogen Replacement Therapy" is the official MeSH term for our topic. The * represents the fact that we implemented the FOCUS command for this search. Results = number of references/citations in the database In this case, we retrieved 3200 citations. Display = links to the retrieved citations Enter Keyword or phrase: Map Term to Subject Heading Now we can begin looking for the second piece of the search topic. Remember that we're searching for the risk of heart diseases in postmenopausal women who are undergoing estrogen replacement therapy. We've already searched for the estrogen replacement therapy piece, so let's search for the heart diseases piece. Type heart diseases in the ENTER KEYWORD box and press the PERFORM SEARCH button. Limit to: Ovid Full Text Available Human English Language Review Articles Abstracts Local Holdings EBM Reviews Latest Update Publication Year -196319641965196619671968196919701971197219741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002--200220012000199919981997199619951994199319921991199019891988198719861985198419831982198119801979197819771976197519741972197119701969196819671966196519641963

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