One Case of Retroperitoneal Ectopic Pregnancy Accurately Diagnosed by Ultrasound
Yang Guo, BS, Nianyu Xue, MS, Shengmin Zhang, MD, Ying Chen, MS
Advanced Ultrasound in Diagnosis and Therapy . 2023, (1): 50 -52 .  DOI: 10.37015/AUDT.2023.230008