The Rh problem: (an example of the tsunami phenomenon in medicine).
D004899:Erythroblastosis, Fetal / Q000266:history* / Q000276:immunology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System / Q000276:immunology*; D006113:United Kingdom; D014481:United States
D012204:Rh-Hr Blood-Group System