共 32 条
[21]
MATHERS CD, 1983, COMMUNITY HEALTH ST, V7, P60
[22]
NAGGAN L, 1971, PEDIATRICS, V47, P577
[24]
Record RG, 1949, BR J SOC MED, V3, P183
[25]
ROGERS SC, 1973, BRIT J PREV SOC MED, V27, P81
[26]
HISTOLOGICAL AND ULTRASTRUCTURAL STUDIES OF SECONDARY NEURULATION IN MOUSE EMBRYOS
[J].
AMERICAN JOURNAL OF ANATOMY,
1984, 169 (04)
:361-376
[28]
SELLER MJ, 1987, IN PRESS J REPROD FE, V79