TY  - RPRT
TI  - Twelve-step and mutual-help programs for addictive disorders.
AU  - J N Chappel
AU  - R L DuPont
PY  - 1999
DO  - 10.1016/s0193-953x(05)70085-x
UR  - https://pubmed.ncbi.nlm.nih.gov/10385942/
ID  - 10385942
ER  -