Deep learning technology for automatic recognition of fetal echocardiography images 
LUO Gang, PAN Si⁃lin, QIAO Sibo, PANG Shanchen, CHEN Taotao, SUN Lingyu, DONG Yukun.
The Journal of Practical Medicine . 2022, (14): 1830 -1833 .  DOI: 10.3969/j.issn.1006⁃5725.2022.14.022