@article{article6aa1d943,
title   = {Role of steroid hormones and morphine treatment in the modulation of opioid receptor gene expression in brain structures in the female rat},
author = {Cruz, Wesley Soares and Pereira, Lucas Assis and Cezar, Luana Carvalho and Camarini, Rosana and Felicio, Luciano Freitas and Bernardi, Maria Martha and Teodorov, Elizabeth},
year = {2015},
doi = {10.1186/s40064-015-1021-8},
journal   = {SpringerPlus}
}