利用PubMed的基本检索查找colorectal cancer的文献，检索时如果必须限定在主题词字段，错误的检索式是哪一个？（）
A: colorectal cancer[mh]
B: colorectal cancer[majr]
C: "colorectal neoplasms" [mh]
D: colorectal cancer[majr]
E: colorectal neoplasms[all fields]
A: colorectal cancer[mh]
B: colorectal cancer[majr]
C: "colorectal neoplasms" [mh]
D: colorectal cancer[majr]
E: colorectal neoplasms[all fields]
举一反三
- 以下标题意思相近，其中信息含量最丰富且最符合论文标题一般要求的科技论文标题是哪一个？ A: NCAM regulates epithelial-mesenchymal transition of colorectal cancer cells B: Promotion of epithelial-mesenchymal transition of colorectal cancer cells by NCAM C: NCAM promotes epithelial-mesenchymal transition of colorectal cancer cells D: Effect of NCAM on epithelial-mesenchymal transition of colorectal cancer cells
- 要检索期刊“cancer”被PubMed收录的文献,可采用的检索式 ( ) A: "cancer" [ti] B: "cancer" [ta] C: "cancer" [tw] D: "cancer" [pt] E: "cancer" [jt]
- 在PubMed中检索肺癌的预防或治疗的相关文献，检索策略应为 A: Lung cancer AND Prevention AND therapy B: Prevention OR therapy AND Lung cancer C: Prevention AND therapy OR Lung cancer D: Lung cancer AND Prevention OR therapy
- 在PUBMED中检索式“cancer[TI]”的含义是： A: 检出文摘字段中包含cancer的所有文献 B: 检出题目字段中包含cancer的所有文献 C: 检出题录字段中包含cancer的所有文献 D: 检出刊名字段中包含cancer的所有文献
- 在PUBMED中查找手术方法治疗乳腺癌的相关文献，以下哪一个检索式查准率较高? A: Breast Neoplasms AND surgical operation B: Breast Neoplasms/surgery[Mesh] C: Breast Neoplasms AND surgery D: Breast Neoplasms AND operation