@article{liu_guo_tu_xue_gao_guo_2016,  title={Identification of reference genes for gene expression normalization in safflower (<i>Carthamus tinctorius</i>)},  volume={26},  ISSN={0102-695X},  url={https://doi.org/10.1016/j.bjp.2016.05.006},  DOI={10.1016/j.bjp.2016.05.006},  number={5},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Liu, Fei and Guo, Dan Dan and Tu, Yan Hua and Xue, Ying Ru and Gao, Yue and Guo, Mei Li},  year={2016},  month={Sep},  pages={564–570} }