Akpan et al., 2005. Pakistan J. Nutr., 4 (3): 148-153

Akpan, H. D. ; Udosen, E. O. ; Akpan, E. J. ; Joshua, A. A., 2005. The effect of phytase and zinc supplementation on palm kernel cake toxicity in sheep. Pakistan J. Nutr., 4 (3): 148-153