共 9 条
- [1] ANDERSON WJR, 1956, J OBSTET GYNAECOL, V63, P205
- [2] STILLBIRTHS AND INFANT MORTALITY IN TWINS [J]. ANNALS OF HUMAN GENETICS, 1961, 25 (02) : 131 - &
- [3] BENDER S, 1952, J OBSTET GYN BRIT EM, V59, P510
- [5] GUTTMACHER AF, 1958, OBSTET GYNECOL, V12, P528
- [6] KURTZ GR, 1955, OBSTET GYNECOL, V6, P370
- [7] LOEWE CP, 1951, BRIT J SOC MED, V5, P91
- [9] STONE ML, 1956, NEW YORK J MED, V56, P3127