Aoyagi et al., 1995. J. Anim. Sci., 73 (3): 799-804

Aoyagi, S. ; Hiney, K. M. ; Baker, D. H., 1995. Copper bioavailability in pork liver and in various animal by-products as determined by chick bioassay. J. Anim. Sci., 73 (3): 799-804