共 4 条
[1]
Advancing age and the primagravida. Kane S. Obstetrics and Gynecology . 1967
[2]
The problem of the older primipara. Kessler L,Lancet M,Borenstein R,steinmetz A. Obstetrics and Gynecology . 1980
[3]
The etology and outcome of abruptio placenta. Potterson M. Acta Obstetrica et Gynecologica Scandinavica . 1979
[4]
The elderly primigravida. Morrison T. American Journal of Obstetrics and Gynecology . 1975