my $args = "db=pubmed&id=$id[$i]&retmode=text&rettype=abstract";
	my $req = new HTTP::Request POST => 'https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi';
	$req->content_type('application/x-www-form-urlencoded');
	$req->content($args);
	

	my $response = $ua->request($req);
	my $content = $response->content;