共 26 条
[1]
BEZREDKA A, 1927, LOCAL IMMUNISATION
[3]
BUXTON A., 1961, RES VET SCI, V2, P73
[6]
FAHEY K J, 1970, Infection and Immunity, V2, P183
[7]
FRETER R, 1963, J IMMUNOL, V91, P724
[8]
FRETER R, 1965, 1328 PUBL HEALTH SER, P222
[9]
HEREMANS JF, 1966, ACTA MED SCAND, VS179, P84
[10]
INTESTINAL FLORA OF YOUNG PIGS, WITH REFERENCE TO EARLY WEANING, ESCHERICHIA COLI AND SCOURS
[J].
JOURNAL OF COMPARATIVE PATHOLOGY AND THERAPEUTICS,
1963, 73 (03)
:215-+