| Order no. | Description | Quantity |
| 28080 | Serum Control, lyophil., for Vitamin C, Level I | 10 x 0.5 mL |
| 28081 | Serum Control, lyophil., for Vitamin C, Level II | 10 x 0.5 mL |
| 28082 | Serum Control, lyophil., for Vitamin C, Level I, II | 2 x 5 x 0.5 mL |
| Order no. | Description | Quantity |
| 28080 | Serum Control, lyophil., for Vitamin C, Level I | 10 x 0.5 mL |
| 28081 | Serum Control, lyophil., for Vitamin C, Level II | 10 x 0.5 mL |
| 28082 | Serum Control, lyophil., for Vitamin C, Level I, II | 2 x 5 x 0.5 mL |