Rh and Other Blood Groups

Abstract
THE Rh and other blood groups have achieved great importance in the last few years because of their relation to erythroblastosis fetalis. But numerically this disease may not emphasize the need for practical knowledge about blood groups as often as blood transfusion does — a therapeutic procedure that has become relatively simple and used, or sometimes possibly abused, probably several million times a year. In addition, genetic and anthropologic studies using blood-group characteristics have been revitalized by the discovery of the newer and now much more numerous blood agglutinogens. And finally, medicolegal problems, which formerly were unsolvable because of too . . .