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[2]
BLAIR JE, 1958, P NATIONAL C HOSPITA, P112
[3]
DOWLING HF, 1958, P NATIONAL C HOSPITA, P173
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KRAFFENHOFT KL, 1958, VET MED, V53, P625
[5]
NOORLANDER D. O., 1959, Veterinary Medicine, V54, P183
[8]
*US PHS, 1958, P NAT C HOSP ACQ STA, P3
[9]
WENTWORTH FH, 1958, PUBLIC HEALTH REP, V73, P1092