title: Acute leukaemia and the same chromosome abnormality in monozygotic twins.
mesh_terms: D000208:Acute Disease; D002871:Chromosome Banding; D002903:Chromosomes, Human, 19-20 / Q000648:ultrastructure*; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D007938:Leukemia / Q000235:genetics*; D011247:Pregnancy; D014314:Trisomy; D014430:Twins, Monozygotic