Jun Yan Bai, Yu Chen, Qi Hang Hu, Zhi Hao Dong, Ying Lei, You Bing Yang, Shu Juan Zhao and You Zhi Pang, 2021. Correlation Analysis of Exon 4 of Estrogen Receptor Gene with Growth Traits of Quail (Coturnix coturnix). Pakistan J. Zool., 53: 2471-2473. DOI: https://dx.doi.org/10.17582/journal.pjz/20200608230619