男性,47岁,右上腹痛伴有明显黄疸,BUS显示肝外胆管及肝内肝管均不扩张,为确定诊断应选择哪一项检查()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧