The Value of Transabdominal Ultrasound Combined with HCG and AFP in the Diagnosis of Pernicious Placenta Previa with Placenta Accreta
TANG Yukun, YU Ming, ZHI Ruijuan, BA Shuang, PAN Ruike, ZHANG Shuqin
Imaging Science and Photochemistry . 2020, (6): 1005 -1009 .  DOI: 10.7517/issn.1674-0475.200414