Fernández-Nebro, A Chronic or recurrent headache in patients with systemic lupus erythematosus: a case control study. [electronic resource] - Lupus 1999 - 151-6 p. digital Publication Type: Journal Article ISSN: 0961-2033 Standard No.: 10.1191/096120399678847443 doi Subjects--Topical Terms: AdolescentAdultAgedCase-Control StudiesChronic DiseaseHumansLupus Erythematosus, Systemic--epidemiologyMiddle AgedMigraine Disorders--epidemiologyPrevalenceRecurrenceRisk FactorsTension-Type Headache--epidemiology