SELENIUM REMOVAL STUDY IN PATIENTS WITH CHRONIC RENAL DISEASEAna Maria Daviţoiu, Bărcănescu Ş., Negulescu V.Al., Avram Oana, Voicu V.A., Macovei R., Tudosie M., Caragea Genica, Forje Mărgărita, Mladin C., Fragkos A., Ardelean Luminiţa, Bumbea Viorica