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Creator Personal Names
McLaren, G. A.
Remove constraint Creator Personal Names: McLaren, G. A.
Creator Personal Names
Welch, J. A. (James A.)
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All Creators
Smith, G. B.
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All Creators
Welch, J. A. (James A.)
Remove constraint All Creators: Welch, J. A. (James A.)
All Subjects
Ruminants--Feeding and feeds.
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All Subjects
Ruminants--Physiology.
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All Subjects
Urea.
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Subject Topical
Urea.
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