title: Heparin requirement in hemodialysis, a comparison between single-needle and two-needle dialysis.
mesh_terms: D005344:Fibrinopeptide A / Q000032:analysis; D006493:Heparin / Q000627:therapeutic use*; D006801:Humans; D009339:Needles; D006435:Renal Dialysis / Q000295:instrumentation*
chemical_list: D005344:Fibrinopeptide A; D006493:Heparin