title: Again on leukemia in twins.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002875:Chromosomes; D004200:Diseases in Twins / Q000401:mortality; D005260:Female; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000235:genetics* / Q000401:mortality; D007953:Leukemia, Radiation-Induced / Q000235:genetics; D008297:Male