1. Uremic toxins: what are they? How are they identified?;Kopple;Semin Nephrol,1983
2. The “half and half nail” of uremic onychopathy;Leyden;Arch Dermatol,1972
3. Pruritus in end stage renal disease;Shoop;ANNA J,1994
4. Uremic pruritus;Stahle-Backdahl;Semin Dermatol,1995
5. Cutaneous abnormalities in uremic patients;Bencini;Nephron,1985