Tallquist haemoglobin scale used to diagnose possible anaemia. To use the scale, a blood sample is first drawn from a patient. It is then matched to the closest colour on the scale. Published c. 1900-1920. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science History Institute |
Bildgröße: | 2052 px × 4675 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |