Imaging features and significance of gestational trophoblastic disease. 
PENG Mei-lian, LIN Kai-wu, WENG Zong-jie, WU Qi-bin, SUN Peng-ming.
Chinese Journal of Practical gynecology ang obstetric . 2022, (7): 680 -684 .  DOI: 10.19538/j.fk2022070103