Poorly differentiated endocardial sarcoma: a case report 
ZHU Chenguang, HE Xuehua, YUAN Yonghua, ZHU Yimin, LIU Liping, LIU Zhenyu, ZHU Qianli, ZHOU Wenwu, LI Yanchun
临床儿科杂志 . 2017, (4): 290 .  DOI: 10.3969/j.issn.1000-3606.2017.04.012