title: Background for screening--epidemiology and cost effectiveness.
mesh_terms: D014408:Biomarkers, Tumor / Q000032:analysis; D003362:Cost-Benefit Analysis; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000191:economics; D010173:Palpation; D010808:Physical Examination; D011471:Prostatic Neoplasms / Q000517:prevention & control*; D014463:Ultrasonography
chemical_list: D014408:Biomarkers, Tumor