All

Warning: mysqli_close() expects exactly 1 parameter, 0 given in /usr/local/www/apache24/l.academicdirect/Medicine/Informatics/MESH/browse/desc/index.php on line 75
 D03 Heterocyclic Compounds D006571 +
  D03.438 Heterocyclic Compounds, 2-Ring D006574 +
   D03.438.759 Purines D011687 +
    D03.438.759.758 Purinones D011688 +
     D03.438.759.758.824 Xanthines D014970 +
      D03.438.759.758.824.651 Theobromine D013805 +
        D03.438.759.758.824.651.700 Pentoxifylline D010431