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Johnson et al., 1997. Poult. Sci., 76 (12): 1377-1387

Document reference 
Johnson, M. L. ; Parsons, C. M., 1997. Effect of raw material source, ash content and assay length on protein efficiency ratio values for animal protein meals. Poult. Sci., 76 (12): 1377-1387
Citation key 
Johnson et al., 1997