Relationship between chromatin configuration and in vitro maturation ability in guinea pig oocytes oleh Min‐Hua Yao, Wan‐Jing Cheng, Li‐Wei Liu, Hui Zheng, Wan‐Ying Gu, Fang Miao, Jing‐Fang Zhang, Li Wang, Yan‐Ping Su, Ya‐Ling Liu, Hong‐Shu Sui