Embryo aggregation regulates in vitro stress conditions to promote developmental competence in pigs oleh Pil-Soo Jeong, Seung-Bin Yoon, Mun-Hyeong Lee, Hee-Chang Son, Hwal-Yong Lee, Sanghoon Lee, Bon-Sang Koo, Kang-Jin Jeong, Jong-Hee Lee, Yeung Bae Jin, Bong-Seok Song, Ji-Su Kim, Sun-Uk Kim, Deog-Bon Koo, Bo-Woong Sim