Which of the following statements are wrong
A. MEDLINE contains journal citations and abstracts for biomedical literature from around the world.
B. You can replace general search terms with more specific ones to limit the number of search results.
C. MEDLINE is the second largest component of PubMed.
D. PubMed provides free access to MEDLINE and links to full text articles when possible.
查看答案
Using PubMed to search lymphedema included in the title of a citation, which of the following statements is true
A. Lymphedema
B. Lymphedema[ta]
C. Lymphedema[ti]
D. Lymphedema[pt]
PubMed does not perform
A. searching for a phrase
B. adjacency searching
C. truncating search terms
D. combining search terms with Boolean operators
同一技术方案，只要被先发表的论文所记载就变成了现有技术，丧失新颖性而不能成功申请专利。
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