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Risk of gastroenteritis among triathletes in relation to faecal pollution of fresh water (Risk of gastroenteritis among triathletes in relation to faecal pollution of fresh waters )
van Asperen, I. A., Medema, G., Borgdorff, M. W., Sprenger, M. J., Havelaar, A. H.Published in International Journal of Epidemiology (1998) -
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