共 17 条
[2]
BEARSE GE, 1946, WASHINGTON AGR EXP S, V482, P86
[3]
Blaxland J. D., 1946, VET JOUR, V102, P157
[4]
BURNS CH, 1950, POULTRY SCI, V29, P752
[5]
Doll E. R., 1946, VET MED, V41, P361
[6]
ENGELMANN C, 1935, FORSCHUNG FORTSCHRIT, V13, P425
[7]
HALPIN J. G., 1936, POULTRY SCI, V15, P99, DOI 10.3382/ps.0150099
[8]
HALPIN JG, 1934, POULTRY SCI, V13, P308
[10]
MITCHELL H. H., 1926, JOUR BIOL CHEM, V68, P165