Erythropoeitin dose variation in different facilities in different countries and its relationship to drug resistance Authors:Roger Greenwood, Claudio Ronco, Fiorella Gastaldon, Alessandra Brendolan, Peter Homel, Len Usvyat, Lenore Bruno, Mary Carter and Nathan Levin Year: 2003 Journal: Kidney international Database: UKRR Read paper Year: 2003 Journal: Kidney international Database: UKRR