REFERENCES
- Collen M. The Fourth Amendment and random drug testing of people with chronic pain. J Pain Palliat Care Pharmacother. 2011;25:42–48.
- Lipman AG. Urine drug screens: a double-edged sword. J Pain Palliat Care Pharmacother. 2011;25:112.
- Starrels JL, Becker WC, Alford DP, Kapoor A, Williams AR, Turner BJ. Systematic review: treatment agreements and urine drug testing to reduce opioid misuse in patients with chronic pain. Ann Intern Med. 2010;152:712–720.
- Turk DC, Wilson HD, Cahana A. Treatment of chronic non-cancer pain. Lancet. 2011;377:2226–2235.