45. 
46. 
47. 
48. 
49. 
50. 
51. 
52. 
53. 
54. 
55. 
56. 
57. 
58. 
59. 
60. 
61. 
Pritchard, W. R., Perman, V., Mattson, W. E., Sautter, J. H., and Schultze, M. O. 
1956. The effects of feeding trichloroethylene-extracted soybean oil meal to sheep. 
Am. aA Vet. Res. 17:446-448, 
Pritchard, W.R., Sauer, F., Rehfeld, C. E., Perman, V., Sautter, J. H., Wada, S., 
and Schultze, M. O. 1956. Observations with laboratory animals fed trichloro- 
ethylene-extracted soybean oil meal. 17:448-453. 
Pritchard, W. R., Rehfeld, C. E., Mattson, W. E., Sautter, J. H., and Schultze, M. O. 
1956. The effect of feeding different levels of trichloroethylene-extracted soybean 
oil meal to young heifers--Experimental production of chronic aplastic anemia. 
Am. J. Vet. Res. 17:430-437. 
Pritchard, W. R., Rehfeld, C. E., Mizuno, N. S., Sautter, J. H., and Schultze, M. O. 
1956. Studies on trichloroethylene-extracted feeds. I. Experimental production of 
acute aplastic anemia in young heifers. Am. J. Vet. Res. 17:425-429. 
Pritchard, W. R., Rehfeld, C. E., and Sautter, J. H. 1952. Aplastic anemia in cattle 
associated with ingestion of trichloroethylene-extracted soybean oil meal. Am. 
Vet. Med. Assoc. 121:1-9. 
Rupp, Walter H. 1956. Major air contaminants. Air Pollution Handbook by Magill, 
Holden, and Ackley. McGraw-Hill Book Co., New York. 
Scheidy, S. F., Wilcox, P. W., and Creamer, A. A. 1953. Am. J. Vet. Med. Assoc. 
123:341. 
Schmidt, Hubert, and Franklin, T. E., 1958. Hyperkeratosis investigations in 
Texas, 1946-56. Texas Agr. Expt. Sta. M. P. 316., Nov. 1958. 
Smith, H. A. 1957. Pathology of gossypol poisoning. Am, J. Path. 33:353-365. 
Smith and Jones. 1957. Veterinary Pathology. Lea and Febiger, Phil. 
Steimer, P. E., and Bengston, J. S. 1951. Research and economic aspects of tumors 
in food-producing animals. Cancer--Med. Book Dept., Harper and Bros. 
Stockman, S. 1916. Poisoning in cattle on meal from soybean after extraction of the 
oil. Jour. Comp. Path. and Ther. 29:95-107. 
Sullivan, D. J., and Anderson, W. A. 1958. Tumors of the bovine acoustic nerve. 
Am. J. Vet. Res. 19:848-852. 
Sullivan, D. J., and Anderson, W. A. 1959. Embryonal nephroma in swine. Am. J. 
Vet. Res. 20:324-332. 
Twiehans, M. J., and Leasure, E. E. 1951. The presence of ahemorrhagic factor in 
soybean pellets extracted with trichloroethylene as a solvent when fed to cattle. 
Am, J. Vet. Med. Assoc. 46:428-431. 
Udall, D. H. 1954. The practice of veterinary medicine. 6th Rev. Edit. pp. 769- 
773. Published by the Author. Ithaca, New York. 
U.S.D.A.-A.R.S. Report of the Chief, Bureau of Animal Industry. 1952, pp. 33; 
1953.) pp. d2-53.. 
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