Vagnoni, D. B., R. A. Garrott, J. G. Cook, P. J. White, and M. K. Clayton. 1996. Urinary allantoin:creatinine ratios as a dietary index for elk. Journal of Wildlife Management 60:728-734.
Publication
Garrott, R. A., J. G. Cook, J. G. Berardinelli, P. J. White, S. Cherry, and D. B. Vagnoni. 1997. Evaluation of the urinary allantoin:creatinine ratio as a nutritional index for elk. Canadian Journal of Zoology 75:1519-1525.