(来学网)男性,12岁,跌倒后右膝关节明显肿胀,急诊行关节腔穿刺抽出血性液体50ml,可明确诊断的实验室检查是
  • A.
    (来学网)CT
  • B.
    (来学网)TGT
  • C.
    (来学网)PT
  • D.
    (来学网)APTT
  • E.
    (来学网)PCT