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Evaluation of hemodialysis adequacy using urea reduction rate and related factors in Iranian patients’ undergoing hemodialysis in Guilan, Iran
        
        
        Maryam Yaseri 1 
, Haniyeh Sadat Fayazi 1 
, Seyyedeh Sahereh Mortazavi Khatibani 1,2 *  
, Azin Hajipoor 3