UNDERSTANDING HEMODIALYSIS - Fresenius
2021-11-16u2002·u2002lyzer membrane using pressure is termed ultrafiltration. In 1947, Swede Nils Alwall published a scientific work describing a modified dialyzer that could perform the necessary combination of dialysis and ultrafiltration better than the original Kolff kidney. The cellophane membranes used in this dialyzer could withstand higher pressure
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