共 30 条
[21]
SAWYER M, 1973, AM J VET RES, V34, P1281
[22]
Schmied L. M., 1973, Revista de Medicina Veterinaria, Buenos Aires, V54, P467
[26]
VANGINCKEL RF, 1974, RES J RETICULOENDOTH, V17, P65
[27]
VERHAEGEN H, 1973, NEW ENGL J MED, V289, P1148
[28]
VERSIJP G, 1975, LANCET, V1, P798