anchor.diff:            </tr>
           </thead>
           <tbody>
  -          <% @snp.mendeley_paper.each do |p|%>
  +          <% @snp.mendeley_paper.limit(100).each do |p|%>
               <tr>
                 <td><%=p.first_author%></td>
                 <td><%=link_to( p.title, p.mendeley_url)%></td>
  
positive.code:           </tr>
          </thead>
          <tbody>
            <%@snp.pgp_annotation.each do |p|%>
              <tr>
                <td><%=p.gene%></td>
                <td><%=p.qualified_impact%></td>
  
negative.code:           <th>Title</th>
            <th>Summary</th>
          </tr>
          <% @snp.snpedia_paper.limit(100).each do |p| %>
            <% if current_user && @user_snp && p.url[-2].to_s+p.url[-4].to_s == @user_snp.local_genotype || current_user && @user_snp && p.url[-4].to_s+p.url[-2].to_s == @user_snp.local_genotype %>
              <tr>
                <td><b><%= link_to @snp.name+" "+p.url[-4]+"/"+p.url[-2], p.url %></b></td>
  