[Clinical observations on a typhoid-paratyphoid B epidemic on Sylt Island].
KROPP
F
F
D058872:Epidemics; D006801:Humans; D062312:Islands; D010284:Paratyphoid Fever; D014435:Typhoid Fever; D014436:Typhoid-Paratyphoid Vaccines
D014436:Typhoid-Paratyphoid Vaccines