Analysis of Variance|Cell Line, Tumor|Cluster Analysis|Computer Simulation|Data Interpretation, Statistical|Female|Gene Expression|Gene Expression Profiling|Genes, p53|Humans|Leukemia, Myeloid, Acute|Lymphoma|Male|Oligonucleotide Array Sequence Analysis|Precursor Cell Lymphoblastic Leukemia-Lymphoma|Predictive Value of Tests|Reference Standards|Sample Size|Statistical Distributions