A.10%~20% B.20%~30% C.40%~50% D.60%~70% E.80%~90%
A.食物中黃曲霉毒素污染 B.病毒性肝炎 C.肝硬化 D.食物中亞硝酸鹽污染 E.炎性腸道疾病
A.40%~50% B.5%~10% C.20%~40% D.15%~20% E.1%~2%