共 19 条
[4]
BEACH J. R., 1934, Poultry Science, V13, P218, DOI 10.3382/ps.0130218
[6]
Cover M.S., 1960, AVIAN DIS, V4, P467
[9]
GIBBS C. S., 1936, Journal of the American Veterinary Medical Association, V88, P413
[10]
Gibbs C. S., 1933, MASS AGR EXP STN B, V295, P1