Preconceptional Folate Supplementation and the Risk of Spontaneous Preterm BirthRadek Bukowski,Fergal D. Malone,Flint T. Porter,David A. Nyberg,Christine H. Comstock,Gary D. V. Hankins,Keith Eddleman,Susan J. Gross,Lorraine Dugoff,Sabrina D. Craigo,Ilan E. Timor-Tritsch, Stephen R. Carr,Honor M. Wolfe,Mary E. D’AltonObstetrical & Gynecological Survey(2009)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要