Table 1 Examples of query
From: Performance evaluation of unified medical language system®'s synonyms expansion to query PubMed
Query | Query syntax | |
|---|---|---|
Preferred term | Entry term or UMLS' synonym | |
User | Myocardial infarction | Myocardial infarct |
q1 | "myocardial infarction"[MeSH Terms] OR ("myocardial"[All Fields] AND "infarction"[All Fields]) OR "myocardial infarction"[All Fields] | |
q2 | "myocardial infarction"[MeSH Terms] OR ("myocardial"[All Fields] AND "infarction"[All Fields]) OR "myocardial infarction"[All Fields] OR ("myocardial"[All Fields] AND "infarct"[All Fields]) OR "myocardial infarct"[All Fields] | |
q3 | "myocardial infarction"[MeSH Terms] OR (("infarct, myocardial"[TIAB] OR "infarction, myocardial"[TIAB] OR "myocardial infarcts"[TIAB] OR "myocardial infarct"[TIAB] OR "myocardial infarction"[TIAB] OR "infarcts, myocardial"[TIAB] OR "myocardial infarctions"[TIAB] OR "infarctions, myocardial"[TIAB]) NOT MEDLINE[SB]) | |
q4 | "myocardial infarction"[MeSH Terms] OR (("infarct, myocardial"[TIAB] OR "heart attack"[TIAB] OR "infarction, myocardial"[TIAB] OR "myocardial infarcts"[TIAB] OR "myocardial infarct"[TIAB] OR "myocardial infarction"[TIAB] OR "myocardial infarction, nos"[TIAB] OR "infarcts, myocardial"[TIAB] OR "myocardial infarctions"[TIAB] OR "infarctions, myocardial"[TIAB]) NOT (MEDLINE[SB] OR OldMedline[SB])) | |
q5 | q4 NOT q3 | |