Brain imaging tests for chronic pain: medical, legal and ethical issues and recommendations.
Davis KD, Flor H, Greely HT, Iannetti GD, Mackey S, Ploner M, Pustilnik A, Tracey I, Treede RD, Wager TD. Brain imaging tests for chronic pain: medical, legal and ethical issues and recommendations. Nat Rev Neurol. 2017 Oct; 13(10):624-638.