患者,女,42岁,右上腹绞痛3小时入院。查体:皮肤、巩膜未见黄染。辅助检查:血清总胆红素26μmol/L,超声示胆总管结石。该患者行胆红素测定时,可出现哪种改变()。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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