Stratification of headache care.
Saper
Joel
J
Michigan Head-Pain and Neurological Institute, Ann Arbor, MI 48104, USA.
D000700:Analgesics / Q000627:therapeutic use*; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D018710:Pain Clinics; D005791:Patient Care / Q000145:classification*; D011320:Primary Health Care; D012720:Severity of Illness Index; D014218:Triage
D000700:Analgesics