Chronic pain: a challenge for primary care.
Smith
B H
BH
D002908:Chronic Disease; D004812:Epidemiologic Methods; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology; D059408:Pain Management; D011320:Primary Health Care / Q000592:standards / Q000706:statistics & numerical data*