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

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