A.27
B.28
C.32
D.36
[单选题]A.B.C.D.E.
[单选题]A.27B.28C.32D.36
[单选题]A.t检验B.C.秩和检验D.直线相关E.等级相关
[单选题]A.肝血管瘤B.肝内胆管结石C.肝内钙化灶D.肝内胆管积气