Laboratory tests for Rhesus (Rh) blood group showing a Rhesus positive result (at top) in which there is D antigen (third vial from left) present on the red blood cells; the Rhesus negative result (at bottom) shows a lack of D antigen | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Doncaster And Bassetlaw Hospitals |
Taille de l’image : | 3393 px × 5149 px |
Model Release : | Non requis |
Restrictions : | - |