| Order no. | Description | Quantity |
| 35080 | Serum Control, lyophil., for 25-OH-Vitamin D2 / D3, Level I, with HPLC |
10 x 2 mL |
| 35081 | Serum Control, lyophil., for 25-OH-Vitamin D2 / D3, Level II, with HPLC |
10 x 2 mL |
| 35082 | Serum Control, lyophil., for 25-OH-Vitamin D2 / D3, Level I, II, with HPLC |
2 x 5 x 2 mL |