Displaying 1 result from an estimated 1 matches for "col4a1".
Did you mean:
col1
2012 Dec 11
1
query multiple terms in PubMed abstract
Hi:
I am trying to search PubMed abstracts which contains BOTH two terms:
COL4A1 AND Ocular. I am using the following code:
url= "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?"
search = paste(url,
"db=pubmed&term=COL4A1+AND+Ocular[abstract]&retmax=300", sep="")
docId <- xmlTreeParse(getURL(paste(url, search, sep=""...