Introduction.- Archive Tissues.- Pre-Analytical Treatment of Tissues.- Dissection of Tissue Components.- Extraction, Purification, Quantification and Quality Assessment of Nucleic Acids.- Reverse Transcription (RT).- Nucleic Acid Amplification.- DNA Sequencing.- Microsatellite Analysis.- Methylation Analysis.- Analysis of Copy Number Variations.- Microarrays.- Protein Extraction in Archive Tissues.- Protein Electrophoretic Separation.- Protein Immunodetection.- Mass Spectrometry.- Elements of Good Laboratory Practice..- DNA Sequencing.- Microsatellite Analysis.- Methylation Analysis.- Analysis of Copy Number Variations.- Microarrays.- Protein Extraction in Archive Tissues.- Protein Electrophoretic Separation.- Protein Immunodetection.- Mass Spectrometry.- Elements of Good Laboratory Practice.