#!/usr/bin/perl -w

# The source code files, properties files, other text files, and other files
# in this package (the Software) are
#
# Copyright (c) by the Regents of the University of Michigan
 #
# and were written or modified from other sources by the development team
# of the National Center for Integrative Biomedical Informatics, University
# of Michigan.
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# Development of the software is supported by National Institutes of Health,
# Grant U54 DA021519
#
# see www.ncibi.org for details.
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# agreeing to these Terms of Use:
# (see http://portal.ncibi.org/gateway/pdf/Terms%20of%20use-web.pdf)
#
# General Use Policy:
#
# For academic and non-profit institutions:
#   - Permission is granted to access, use and/or download the Tools for
#     internal use only
#   - Users must inform NCIBI of any derivative works of the Tools created
#     (e-mail: ncibihelp@umich.edu)
#   - Use of the Tools must be acknowledged in resulting publications
#     (see citation policy below)
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use strict;
use warnings;
use XML::XPath;
use XML::XPath::XMLParser;
use LWP::UserAgent qw($ua get);

my $ua = new LWP::UserAgent;

#get MeSH descriptors from Gene2MeSH associated with geneID 7124
my $response = $ua->get('http://gene2mesh.ncibi.org/fetch?geneid=7124&limit=30');
my $xp = XML::XPath->new(xml => $response->content);

print "## Top 30 MeSH Terms from Gene2MeSH Associated with GeneID 7124  ##\n\n";
foreach my $g2mNode ($xp->find('//Descriptor/Name')->get_nodelist) {
		print $g2mNode->string_value . "\n";
	}