title: Epidemiological studies are important to trigger health care decisions.
authors: Department of Urology, Düsseldorf University, Düsseldorf, Germany. Electronic address: peter.albers@med.uni-duesseldorf.de.
authors: Peter
authors: P
authors: Albers
mesh_terms: D019049:Developed Countries / Q000706:statistics & numerical data*; D003906:Developing Countries / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D013736:Testicular Neoplasms / Q000453:epidemiology*