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
 D04 Polycyclic Hydrocarbons D011083 +
  D04.808 Steroids D013256 +
   D04.808.745 Pregnanes D011278 +
    D04.808.745.745 Pregnenes D011283 +
     D04.808.745.745.279 Dimethisterone D004116