共 10 条
[1]
Clark J A, 1972, Dtsch Tierarztl Wochenschr, V79, P292
[4]
HAMMEL H. T., 1956, JOUR MAMMAL, V37, P375, DOI 10.2307/1376737
[5]
JOYCE JP, 1966, RES VET SCI, V7, P342
[6]
Kaemmerer K, 1971, Dtsch Tierarztl Wochenschr, V78, P296
[8]
Stephan E, 1971, Dtsch Tierarztl Wochenschr, V78, P330
[9]
STROMBERG B, 1971, ACTA RADIOLOGIC S305, P1