If you want to render a node in drupal 7 it is pretty easy, you just a node id or nid of node for doing this:
<?php $nid = 13; //use your node nid which you want to render $nodeview = node_view(node_load($nid)); print drupal_render($nodeview); ?>
You can use this any template like node,page, block, region or field etc.
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