共 20 条
[1]
Assheton R, 1898, J Anat Physiol, V32, P362
[2]
BENIRSCHKE K, 1961, OBSTET GYNECOL, V18, P334
[3]
Benirschke K., 1967, PATHOLOGY HUMAN PLAC, P97, DOI [DOI 10.1007/978-3-662-38455-8, 10.1007/978-3-662-38455-8]
[5]
GEDDA L, 1964, INT J FERTIL, V9, P327
[6]
HAMILTON WJ, 1960, J ANAT, V94, P297
[7]
Hamilton WJ, 1945, HUMAN EMBRYOLOGY
[8]
A proposed classification for types of twins in mammals
[J].
ANATOMICAL RECORD,
1934, 61 (01)
:81-96
[9]
HEUSER CH, 1954, ANAT REC, V118, P310
[10]
MINTZ B, 1965, PREIMPLANTATION STAG, P194