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2. Illich, I. (1976). Limits to Medicine. The Expropriation of Health. ( London: Marion Boyars )
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4. Pritchard, P. M. M. (ed.). (1981). Patient Participation in General Practice. Occasional paper No. 17. ( London: Royal College of General Practitioners)(A collection of papers and references which is, to date, the only source booklet on this topic. )
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