论文数: 0 引用数: 0
h-index: 0
机构:
Johns Hopkins Univ, Dept Med, Bloomberg Sch Publ Hlth, Baltimore, MD USA
Johns Hopkins Univ, Berman Inst Bioeth, Bloomberg Sch Publ Hlth, Baltimore, MD USA
Johns Hopkins Univ, Dept Hlth Policy & Management, Bloomberg Sch Publ Hlth, Baltimore, MD 21218 USA Duke Univ, Med Ctr, Dept Obstet & Gynecol, Durham, NC 27710 USA