Polynomial regression of gestational age on crown-rump length: quadratic or cubic.Ruizhuo Li, Chenxin Xie,Hongsheng LiuAmerican journal of obstetrics & gynecology MFM(2023)引用 0|浏览2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