title: Landmark article July 8, 1939. An unusual case of intra-group agglutination. By Philip Levine and Rufus E Stetson.
mesh_terms: D000328:Adult; D004899:Erythroblastosis, Fetal / Q000266:history* / Q000276:immunology; D005260:Female; D006405:Hematology / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007518:Isoantibodies / Q000276:immunology; D011247:Pregnancy; D014481:United States
chemical_list: D007518:Isoantibodies