Kai Quan, Xingxu Zhao, Changxing Zhang, Qiuliang Xu, Hongfang Wei, Junjie Hu, & Yong Zhang. (2014). A novel approach for very early pregnancy diagnosis in swine by anti-early pregnancy factor (EPF) antiserum blocking enzyme-linked immunosorbent assay (ELISA). African Journal of Pig Farming, 2(1), 1–7. Retrieved from https://elixirpublishers.in/index.php/ajpf/article/view/641