TY - JOUR TI - Role of steroid hormones and morphine treatment in the modulation of opioid receptor gene expression in brain structures in the female rat PY - 2015 AU - Cruz, Wesley Soares AU - Pereira, Lucas Assis AU - Cezar, Luana Carvalho AU - Camarini, Rosana AU - FelĂ­cio, Luciano Freitas AU - Bernardi, Maria Martha AU - Teodorov, Elizabeth T2 - SpringerPlus SN - 2193-1801 DO - 10.1186/s40064-015-1021-8 UR - https://doi.org/10.1186/s40064-015-1021-8 PP - Heidelberg VL - 4 SP - 1-6 ER -