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| System of distinguishing features on the surface of [[erythrocytes]] that can cause reactions of the [[immune system]].   | System of distinguishing features on the surface of [[erythrocytes]] that can cause reactions of the [[immune system]].   | ||
| − | + | Blood groups 0, A, B and AB can only be combined in blood transfusions in a specific way defined by surface characteristics. | |
| https://de.wikipedia.org/wiki/Blutgruppe <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | https://de.wikipedia.org/wiki/Blutgruppe <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | ||
System of distinguishing features on the surface of erythrocytes that can cause reactions of the immune system.
Blood groups 0, A, B and AB can only be combined in blood transfusions in a specific way defined by surface characteristics.
https://de.wikipedia.org/wiki/Blutgruppe (Wikipedia CC-by-sa-3.0)