@misc{indiciaeed631ee3c6cb, title = {The Swedish methadone maintenance program: a controlled study.}, author = {L M Gunne and L Grönbladh}, year = {1981}, doi = {10.1016/0376-8716(81)90096-x}, url = {https://pubmed.ncbi.nlm.nih.gov/7261900/}, note = {Source identifier: 7261900} }