The immunological paradox of tubal ectopic pregnancy: unraveling immune tolerance amidst inflammation via single-cell sequencing. - Xu, Suming; Zhang, Ningxin; Wang, Yaoqin; Bi, Xingyu; Wang, Yonglian; Wang, Xianping; Zhu, Pengfei; Wu, Xueqing (BMC Pregnancy & Childbirth, 2025)