...
机译:甲型肝炎的流行病学美国:发病率和分子从以人群为基础的流行病学监测,2005-2007.
Division of Viral Hepatitis, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, MS G-37, Atlanta, Georgia 30333, USA.;
Risk Factors; Molecular Epidemiology; IncidenceUnited StatesTravel abroadcases (containers)HepatitisTravelersreportingHepatitis Aillegal drug use;
机译:The Appropriate Selection of a Representative Sample Population: The Case of Surveillance, Epidemiology, and End Results and Gastrointestinal Stromal Tumor