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| Utgitt
| Barcelona : Laboratori de sociologica, ICESB , 1992
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| Omfang
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| Opplysninger
| Har bibliografi. - The main aim in commissioning the study was to achieve a thorough knowledge about the nature and extent of the phenomenon in order to be able to design suitable policies for prevention and action by the health authorities based on the results of the research.
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| Emner
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| ISBN
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