共 2 条
- [1] THE INDIVIDUAL COW AS A FACTOR IN STREPTOCOCCUS-AGALACTIAE INFECTION ARTIFICIALLY INDUCED BY MEANS OF THE HADLEY-WISCONSIN SWAB TECHNIQUE CORNELL VETERINARIAN, 1954, 44 (02): : 268 - 275
- [2] THE EFFECT OF INTRODUCING SMALL NUMBERS OF STREPTOCOCCUS-AGALACTIAE (CORNELL-48 STRAIN) DIRECTLY INTO THE BOVINE TEAT CAVITY CORNELL VETERINARIAN, 1953, 43 (02): : 290 - 310