Displaying 1 result from an estimated 1 matches for "queryterm2".
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queryterm1
2012 Dec 27
1
Conjunction and disjunction in pubmed query
Hi:
I am trying to query pubmed abstracts using the following syntax:
url= "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?"
search = paste(url, "db=pubmed&term=", queryTerm1, "+AND+",
queryTerm2,"+OR+",queryTerm3, "+OR+", queryTerm4,
"[abstract]&retmax=100&usehistory=y", sep="")
docId <- xmlTreeParse(getURL(paste(url, search, sep="")),
useInternalNodes=TRUE)
I want to fetch abstracts containing queryTerm1 AND queryTerm2
Or quer...