An adjustment of a selection bias in postpartum amenorrhea from follow-up studies [0.03%]
来自追踪研究的产后无月经偏倚校正
S N Singh,B N Bhattacharya,R C Yadava
S N Singh
Comment [on "Smooth pycnophylactic interpolation for geographical regions"] [0.03%]
关于"地理区域的平滑人口插值法"的评论
N Dyn,G Wahba,W Wong
N Dyn
Estimates of parameters in a probability model for first livebirth interval [0.03%]
一个关于初产间距的概率模型中的参数估计
C M Suchindran,P A Lachenbruch
C M Suchindran
On future population [0.03%]
论未来人口问题
N Keyfitz
N Keyfitz