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Creator Personal Names
McLaren, G. A.
Remove constraint Creator Personal Names: McLaren, G. A.
Creator Personal Names
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.
Remove constraint All Subjects: Ruminants--Feeding and feeds.
All Subjects
Ruminants--Physiology.
Remove constraint All Subjects: Ruminants--Physiology.
Subject Topical
Urea.
Remove constraint Subject Topical: Urea.
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