title: [Studies on typhoid and paratyphoid fevers in our country].
mesh_terms: D006801:Humans; D010284:Paratyphoid Fever / Q000453:epidemiology*; D014435:Typhoid Fever / Q000453:epidemiology*; D014436:Typhoid-Paratyphoid Vaccines
chemical_list: D014436:Typhoid-Paratyphoid Vaccines
keywords: PARATYPHOID FEVERS/epidemiology; TYPHOID/epidemiology