Healing Through Knowledge
PubMed and CINAHL can be searched for guidelines that were published in journal articles.
PubMed: Run your search, then select "guideline" under "additional filters." You may need to refresh your results to apply the filter after clicking "show."
CINAHL: Run your search, then choose "show more" under "limit to" menu on the left side of the screen. Under "publication type" choose "practice guideline."
A searchable index of policy documents, guidelines, think tank publications and working papers. It collects data from 188 countries and over a thousand sources worldwide with more being added all the time.
Consider also searching sites of professional organizations (for example, the American Academy of Pediatrics) or national non-profit organizations such as the American Heart Associations.