Correlation analysis of serum reproductive hormones and metabolites during multiple ovulation in sheep. - Xu, Quanzhong; Wang, Chunwei; Wang, Lequn; Feng, Rui; Guo, Yulin; Feng, Shuang; Zhang, Liguo; Zheng, Zhong; Su, Guanghua; Fan, Lifen; Bian, Chao; Zhang, Li; et al. (BMC Veterinary Research, 2022)