@article{articlec4b55d12, title = {Use of lower doses of the protaglandin analogue, cloprostenol, for oestrus synchronization in heifers}, author = {Alvarez, R H and Meirelles, Cyro Ferreira and Ambrosano, G M B and Oliveira, J. V. de and Pozzi, J R}, year = {1991}, doi = {10.1016/0378-4320(91)90033-v}, journal = {Animal Reproduction Science} }