<?php $medicina_biologica_background_img = get_post_custom_values( 'medicina_biologica_background_img' );?>
<img src="<?php echo $medicina_biologica_background_img[0];?>" style="display: block; width: 100%; height:auto;"/>
<?php $medicina_biologica_background_img = get_post_custom_values( 'medicina_biologica_background_img' );?>
<img src="<?php echo $medicina_biologica_background_img[0];?>" style="display: block; width: 100%; height:auto;"/>