A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/130, 195/33
A61K 39/12 (2006.01) A61K 39/225 (2006.01) C12N 7/08 (2006.01)
Patent
CA 1124646
A B S T R A C T A method of preparing a live, attenuated TGE virus strain, characterized in that a non-virulent, immunogenically active virus strain is prepared by subjecting a virulent TGE strain to a large number of tissue culture passages.
301449
Bachmann Peter A.
Mayr Anton
Dimminaco Ag/sa/ltd.
Fetherstonhaugh & Co.
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