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

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