TY  - RPRT
TI  - Retention in a low-threshold methadone maintenance program.
AU  - M Torrens
AU  - C Castillo
AU  - V Pérez-Solá
PY  - 1996
DO  - 10.1016/0376-8716(96)01230-6
UR  - https://pubmed.ncbi.nlm.nih.gov/8793310/
ID  - 8793310
ER  -