[The geography of leukemias and hematosarcomas].

The geography of leukemias and haematosarcomas is comprised of two parts 1) The study of geographic lymphomas, Burkitt tumor, and alpha heavy chain disease. 2) The general geography of leukemias and haematosarcomas a) leukemias: variations of frequency according to the country, variations of the frequency of different forms of leukemia, temporal variations b) haematosarcomas, increased frequency in hot countries, unequal distribution of Hodgkin's disease in children and adults. Geography of animal and human leukemias. First description of "ethnologic hematology".