References
- Frenkel , J. K. and Jacobs , L. 1958 . Arch. Ophth. , 59 : 260 – 260 .
- Kabat , E. A. and Mayer , M. M. 1961 . Experimental Immunochemistry , 2nd ed. , Springfield, Illinois : Charles C. Thomas .
- Hartley , W. J. and Marshall , S. C. 1957 . N.Z. vet. J. , 5 : 119 – 119 .
- Jacobs , L. 1961 . N.Z. vet. J. , 9 : 85 – 85 .
- Sabin , A. B. and Feldman , H. A. 1949 . Science , 108 : 660 – 660 .
- Wilson , G. A. and Miles , A. A. 1955 . Topley and Wilson's Principles of Bacteriology and Immunity , 4th ed. , London : Edward Arnold .