Pain in the USA: states of suffering.
The Lancet, London EC2Y 5AS, UK. Electronic address: farhat.yaqub@lancet.com.
Farhat
F
Yaqub
D059350:Chronic Pain / Q000453:epidemiology* / Q000628:therapy; D006801:Humans; D059408:Pain Management / Q000592:standards; D014481:United States / Q000453:epidemiology