Clinical practice guidelines.
Silberstein
S D
SD
D001291:Attitude of Health Personnel; D019317:Evidence-Based Medicine / Q000379:methods*; D005194:Family Practice / Q000379:methods*; D006261:Headache / Q000175:diagnosis / Q000453:epidemiology* / Q000628:therapy*; D006801:Humans; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians'; D011361:Professional Competence