PubMed:
In PubMed, your may perform a search by Clinical Study Category: limits searches by question type or clinical study categories. One of the categories is diagnosis
STEP 1:
Go to the “Clinical Queries” feature available from the PubMed home page at the bottom of the screen.
STEP 2
Run your search query and from the Clinical Study Categories select the category “Diagnosis”
From the Scope option you may select “broad” - includes relevant citations but probably some less relevant; or “narrow” - retrieves more precise, relevant citations but less retrieval
Next, click “See all” to view the results