In the early years of the present century the French school of haematologists appreciated that acute acquired haemolytic anaemia was dependent upon the presence of abnormal antibodies in the blood (Chauffard, Troisier and Vincent, 1908; Hayem, 1908; Widal, Abrami and Brule, 1907). During the first world war this important work was largely forgotten. Although Lederer (1925, 1930) gave his first ...
