[Typhoid and paratyphoid fevers in USSR and means for a further decrease of their morbidity].
D035843:Biomedical Research; D006801:Humans; D009017:Morbidity; D010284:Paratyphoid Fever / Q000517:prevention & control*; D014435:Typhoid Fever / Q000517:prevention & control*; D014436:Typhoid-Paratyphoid Vaccines; D014586:USSR
D014436:Typhoid-Paratyphoid Vaccines
PARATYPHOID FEVERS/prevention and control; TYPHOID/prevention and control