Blood samples. Vacutainer tubes containing blood samples,and labelled with bar-codes. The colour-coded vacutainer caps indicate the contents of the tube | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Tek Image |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |