超声不同方法联合应用对提高卵圆孔未闭检出率的应用价值
张秀玲
The application value of different ultrasound methods in improving the detection rate of patent foramen ovale
ZHANG Xiuling
广州医药 . 2020, (5): 76 -78 .  DOI: 10.3969/j.issn.1000-8535.2020.05.017