(来学网)结核感染时,结核菌素试验阳性皮肤硬结直径为
  • A.
    (来学网)1~2mm
  • B.
    (来学网)3~4mm
  • C.
    (来学网)5~8mm
  • D.
    (来学网)<9mm
  • E.
    (来学网)10~20mm