Plasma erythropoietin titres in anaemia of chronic renal disease.
D000740:Anemia / Q000097:blood*; D004921:Erythropoietin / Q000032:analysis*; D006801:Humans; D007501:Iron / Q000097:blood; D007676:Kidney Failure, Chronic / Q000097:blood*
D004921:Erythropoietin; D007501:Iron