产科超声成像技术的研究进展
郭翠梅,刘晓巍
Research Progress on Ultrasound Imaging Technique of Obstetrics
GUO Cui-mei, LIU Xiao-wei
中国医疗设备 . 2016, (7): 75 -78 .  DOI: 10.3969/j.issn.1674-1633.2016.07.022