@article{santana_biase_antunes_borges_franco_goulart_2006,  title={Association of the estrogen receptor gene Pvu II restriction polymorphism with expected progeny differences for reproductive and performance traits in swine herds in Brazil},  volume={29},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47572006000200013},  DOI={10.1590/S1415-47572006000200013},  number={2},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Santana, Bárbara Amélia Aparecida and Biase, Fernando H. and Antunes, Robson Carlos and Borges, Mauricio and Franco, Mauricio Machaim and Goulart, Luiz Ricardo},  year={2006},  pages={273–277} }