Dissemin is shutting down on January 1st, 2025

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BMJ Publishing Group, BMJ, 7215(319), p. 948-953, 1999

DOI: 10.1136/bmj.319.7215.948

http://isrctn.org/>

DOI: 10.1186/isrctn26354360

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Cluster randomised controlled trial of expert system based on the transtheoretical (“stages of change”) model for smoking prevention and cessation in schools

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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