简述电子采购的程序。
可以诊断肝细胞癌() ["AFP<20μg/L","AFP>100μg/L","AFP>200μg/L持续6周","AFP>200μg/L持续8周","AFP>500μg/L持续2周"]
患者,女,22岁。食大量冰冷食物后胃痛暴作,恶寒喜暖,不渴但喜热饮,苔薄白,脉弦紧。本病最合适的护治法则是()。 ["A.疏肝理气,和胃止痛","活血化瘀,理气止痛","消食导滞,和胃止痛","散寒温胃,和胃止痛","益胃养阴"]
梗阻部位在胆总管()。 ["肝内胆管不扩张、肝管扩张、胆囊空虚","肝内胆管扩张、肝管扩张、胆囊空虚","肝内外胆管扩张、胆囊增大、胰管扩张(双管征)","肝内外胆管扩张、胆囊增大","肝内胆管不扩张、肝管不扩张、胆囊空虚"]
患者,女,22岁。食大量冰冷食物后胃痛暴作,恶寒喜暖,不渴但喜热饮,苔薄白,脉弦紧。本病为胃痛何种证型?() ["A.饮食停滞","肝胃郁热","寒湿中阻","脾胃气虚","寒邪客胃"]
简述影响国际采购发展的阻碍