Associations Between Maternal AFP and Β-Hcg and Preterm BirthXu Wang,Ying Chen,Hualong Kuang,Rui Yang,Daozhen Chen,Ailing Chen,Yaling Feng,Jianrong Dai,Ting Wang,Yun WangAmerican Journal of Perinatology（2019）引用 9|浏览33关键词AFP,beta-HCG,preterm birth,ChinaAI 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
