Searching for practice guidelines in PubMed: Search your topic in the search box. Click on Additional Filters and check the boxes next to "Practice Guideline" and "Guideline" under the section labeled "Type of Article"
Type in your keyword in the search bar and run your search. On the left hand side of your search there is a "Limit to" area, select the link that says "Show More" --> Scroll to the Limit that says "Publication Type" and select "Practice Guidelines"