Urea and hypertonicity increase expression of heme oxygenase-1 in murine renal medullary cells.
                             
                            
                            
                                
                                    
                                            
    Tian W, Bonkovsky HL, Shibahara S, Cohen DM. Urea and hypertonicity increase expression of heme oxygenase-1 in murine renal medullary cells. Am J Physiol Renal Physiol. 2001 Nov; 281(5):F983-91.