共 8 条
[1]
CASIDA LE, 1952, PREGNANCY WASTAGE, P27
[2]
The problem of embryonic pathology in mammals, with observations upon intra-uterine mortality in the pig
[J].
AMERICAN JOURNAL OF ANATOMY,
1923, 31 (05)
:523-545
[5]
Hazel L. N., 1943, JOUR ANIMAL SCI, V2, P118
[6]
ROBERTSON G. L., 1951, JOUR ANIMAL SCI, V10, P647
[8]
SQUIERS CD, 1952, MO AGR EXP STA RES B, V494