A.180个
B.190个
C.198个
D.220个
[单选题]A.180个B.190个C.198个D.220个
[单选题]A.180个B.190个C.198个D.220个
[单选题]A.180个B.190个C.198个D.220个
[单选题]A.急性化脓性根尖周炎B.颊间隙感染C.咬肌间隙感染D.边缘性骨髓炎E.中央性骨髓炎
[单选题]A.180个B.190个C.198个D.220个
[单选题]A.180个B.190个C.198个D.220个
[单选题]A.t检验B.C.秩和检验D.直线相关E.等级相关