Blood cells. Coloured scanning electron micrograph (SEM) of red blood cells and an aggregate of platelets (yellow). Magnification: x4000 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Gschmeissner, Steve |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |