原发性肝癌常用的主动非特异性免疫治疗有:() ["卡介苗","短小棒状杆菌","干扰素","白细胞介素","以上均不是"]
原发性肝癌从出现症状到死亡一般为:() ["一年","半年以上","3-6个月","1个月","2个月"]
简述贫血的诊断要点。
AFP定量检查,并能排除妊娠、活动性肝病,生殖腺胚胎源性肿瘤及转移肝癌时,下列哪项可诊断为肝癌:() ["AFP≥40μg/L","AFP≥140μg/L","AFP≥4O0μg/L","AFP≥500μg/L","AFP≥600μg/L"]
贫血的病因、分类。
简述贫血的临床表现及病理生理基础。