Easing the pain: challenges and opportunities in headache management.
Watson
David P B
DP
D002983:Clinical Competence / Q000592:standards*; D015331:Cohort Studies; D005194:Family Practice / Q000592:standards*; D020773:Headache Disorders / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006801:Humans