Hartz, I., J. G. Bramness, and S. Skurtveit. “Prescription of Antidepressants to Patients on Opioid Maintenance Therapy – a Pharmacoepidemiological Study”.
Norsk Epidemiologi
, vol. 21, no. 1, Dec. 2011, doi:10.5324/nje.v21i1.1429.