Conclusions: the existence of crossing segmental vessels might not be the only initiatingfactor in the cause of the obstruction of UPJ in this disease.
结论该病中迷走血管存在可能不是引起肾盂输尿管连接部梗阻的始动因素。
3
Abstract: quality of the external purchase equipment is the main factor that influence the quality of initiating explosive device.