00298nam a2200133Ia 4500008004100000020001800041041000800059082001000067100002000077245002400097250001100121260000900132650002300141260624s2025    xx            000 0 und d  a9788131270462  aeng  a614.4  aDavid Celentano  aGordis Epidemiology  a7th ed  c2025  acommunity Medicine