Harwood Hj

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Treating drug problems. Volume 1: a study of the evolution, effectiveness and financing of public and private drug treatment options

Gerstein Dr, Harwood Hj, 1990 .

Patterns of Staff Perception of Difficult Patients in a Long-Term Psychiatric Hospital

Hodgson Ta, Mushkin Sj, Harwood Hj, 1985 .

Economics and drugs: promises, problems, and prospects.

Harwood Hj, 1991 .

The costs of crime and the benefits of drug abuse treatment: a cost-benefit analysis using TOPS data.

J J Collins, R. Hubbard, J. J. Collins, 1988, NIDA research monograph.