共 31 条
[1]
BAKER LC, 1955, J SCI FOOD AGR, V6, P197
[2]
BELL DP, 1976, J REPROD FERTIL, V46, P257
[4]
ELWOOD J H, 1973, Nature (London), V243, P476, DOI 10.1038/243476a0
[6]
FIELD B, 1973, LANCET, V2, P507
[10]
KEELER RF, 1973, P SOC EXP BIOL MED, V142, P1287, DOI 10.3181/00379727-142-37225