Now it's time to build your search string using a combination of keywords from Step 2, MeSH terms from Step 3, and search tips from Step 4. Remember to edit and refine your search as you go.
Example:
("Adolescent"[Mesh] OR adolescen*[tiab] OR teen[tiab] OR teens[tiab] OR teenager*[tiab] OR youth[tiab] OR youths[tiab]) AND ("Depression"[Mesh] OR depressive[tiab] OR depression*[tiab]) AND ("Fluoxetine"[Mesh] OR prozac[tiab] OR fluoxetin*[tiab] OR sarafem[tiab]) AND ("Sertraline"[Mesh] OR zoloft[tiab] OR sertraline[tiab] OR altruline[tiab] OR lustral[tiab] OR sealdin[tiab] OR gladem[tiab])
Tip: You can use"Advanced Search" option in PubMed or a plain text file to build your search string.
If your search retrieves too many results, you can limit the search results by
PubMed's sidebar filters
If your search returns too few results, you can expand your search by