共 70 条
[2]
ASCHER NL, 1983, TRANSPLANTATION, V35, P193
[5]
BEER AE, 1974, J REPROD FERTIL, P59
[6]
BEER AE, 1977, DEV HOST DEFENCES, P251
[8]
BELL SC, 1983, OXFORD REV REPRODUCT, V5, P220
[9]
BILLINGHAM RE, 1974, SCI AM, V230, P36
[10]
BILLINGTON WD, 1983, BIOL TROPHOBLAST, P571