MEDLINE中,自由词方式检索“白血病(1eukemia)的诊断和治疗”的文献,可输入检索式 ()A、Leukemia and(diagnosis or therapy)B、Leukemia and diagnosis or therapyC、Leukemia and diagnosis and therapyD、Leukemia or diagnosis or therapy

题目

MEDLINE中,自由词方式检索“白血病(1eukemia)的诊断和治疗”的文献,可输入检索式 ()

  • A、Leukemia and(diagnosis or therapy)
  • B、Leukemia and diagnosis or therapy
  • C、Leukemia and diagnosis and therapy
  • D、Leukemia or diagnosis or therapy

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