Treating the substance-abusing patient in the public sector: "medical necessity" versus "social necessity and social responsibility" in the philadelphia target cities demonstration project.
Gould
F
F
Coordinating Office for Drug and Alcohol Abuse Programs, Philadelphia, PA 19107, USA.
Levine
M
M
McLellan
A T
AT
D006801:Humans; D012941:Social Responsibility; D012944:Social Support; D019966:Substance-Related Disorders / Q000628:therapy*