Peer Reviewed Clinical Flowchart Pain medicine Diagnosing the patient with persistent headache Richard Stark, Elspeth Hutton Full text: PDF Copied to clipboard Published in Chronic migraine and other types of chronic daily headache We recommend that this flowchart be read in context of the article in which it was published. To access the article, click the link above. Get full access Subscribe for full access to all articles Already a subscriber? Login here. Advertisement Advertisement Advertisement