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CaprineAnimal ScienceVeterinary ScienceAnimal Health EconomicsEducationLivestock HealthAnimal Disease PreventionVeterinary EpidemiologyRisk FactorsEpidemiology
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A simplified general method for cluster-sample surveys of health in developing countries.
S. Bennett, T. N. Woods, W M Liyanage et al. · PubMed · 1991 · 868 citations