山东省东部某县新型农村合作医疗制度下农村老年人住院医疗费用研究
산동성동부모현신형농촌합작의료제도하농촌노년인주원의료비용연구
Analysis on the Hospitalization Costs of Rural Elderly Residents in a County of Eastern Shandong under the New Rural Cooperative Medical System
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