Time-space clustering among cases of Burkitt's tumor.
D000349:Africa; D002051:Burkitt Lymphoma / Q000453:epidemiology* / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D013997:Time Factors; D014454:Uganda; D014481:United States