1. Poor response to erythropoietin: Practical guidelines on investigation and management;Macdougall;Nephrol Dial Transplant,1995
2. Erythropoietin and iron;Sunder-Plassmann;Clin Nephrol,1997
3. Low iron absorption in erythropoietin-treated haemodialysis patients;Kooistra;J Am Soc Nephrol,1995
4. Failure of CAPD patients to respond to an oral iron absorption test;Domoto;Adv Perit Dial,1992
5. Importance of iron supply for erythropoietin therapy;Sunder-Plassmann;Nephrol Dial Transplant,1995