Dubravka, pogledaj si i ove linkove gdje je već dosta rečeno o epiduralnoj
http://roda.hr/rodaphpBB2/viewtopic.php?t=1022
http://roda.hr/rodaphpBB2/viewtopic.php?t=306
http://roda.hr/rodaphpBB2/viewtopic.php?t=2352