title: Choice of reference in the evaluation of the day-of-week effect on mortality on hemodialysis.
authors.forename: Hui
authors.initials: H
authors.lastname: Zhang
authors.forename: Douglas E
authors.initials: DE
authors.lastname: Schaubel
authors.forename: John D
authors.initials: JD
authors.lastname: Kalbfleisch
authors.forename: Bruce M
authors.initials: BM
authors.lastname: Robinson
authors.forename: Ronald L
authors.initials: RL
authors.lastname: Pisoni
authors.forename: Friedrich K
authors.initials: FK
authors.lastname: Port
authors.forename: Rajiv
authors.initials: R
authors.lastname: Saran
mesh_terms: D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000401:mortality* / Q000628:therapy*; D008297:Male; D010043:Outcome and Process Assessment, Health Care; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D006435:Renal Dialysis / Q000401:mortality*