Kozicki, L. E.; Bostedt, H.; Arnstadt, K. I. Progesterone Profiles in the Puerperium Period of Dairy Cows Analized by Radioimmunoassay and Enzymimmunoassay. PAB 2014, 19 (4), 507-510. https://doi.org/10.1590/S1678-3921.pab1984.v19.15580.