| Ibritumomab | Solution (IV Infusion) | Ig gamma-2A chain C region, membrane-bound form; radiolabeled murine anti-CD20; Zevalin (IDEC Pharmaceuticals) |
| Ig gamma-2A chain C region, membrane-bound form | dosage | Ibritumomab; radiolabeled murine anti-CD20; Zevalin (IDEC Pharmaceuticals) |
| Zevalin (IDEC Pharmaceuticals) | dosage | Ig gamma-2A chain C region, membrane-bound form; radiolabeled murine anti-CD20; Ibritumomab |
| radiolabeled murine anti-CD20 | dosage | Ig gamma-2A chain C region, membrane-bound form; Ibritumomab; Zevalin (IDEC Pharmaceuticals) |