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

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