[Anti-G antibodies from the RH system. I. Diagnostic antibodies and their clinical significance].

The complex diagnosis of anti-G antibodies in a subject with a not yet described phenotype Rh CcDEeG-is described. The presence of this phenotype made difficult finding of blood for transfusion. On the basis of the available literature the observations are discussed on anti-G antibodies and the views on the genetic determination of the G antigen on the erythrocytes in the light of the phenotypes described as yet.