The journal of nutrition health & aging · 2011 · 17 citations · 11 references
MedicineGeriatric MedicineGeriatricsGerontologyRural HealthMedication UseMedicinal Plant KnowledgeElderly PopulationGood HealthStratified SamplingSystematic SamplingSystematic Sampling Survey
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Trends in Alternative Medicine Use in the United States, 1990-1997
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