机译:超昂贵的药物和医疗保险D部分:支出和受益人急剧增加
Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD 21205 USA;
Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Hlth Econ, Baltimore, MD USA;
Johns Hopkins Sch Med, Med, Baltimore, MD USA;