共 15 条
[4]
DAVISON KL, 1959, J ANIM SCI, V18, P1490
[8]
GARTON GA, 1951, J EXP BIOL, V28, P358
[9]
GARTON GA, 1958, NATURE, V182, P1510, DOI 10.1038/1821511a0
[10]
GRAINGER RB, 1961, J ANIM SCI, V20, P319