[First studies on potentiated endemia.  I.  Periodic fluctuations in a typhoid endemia].
D006801:Humans; D012106:Research; D014435:Typhoid Fever / Q000453:epidemiology*; D014436:Typhoid-Paratyphoid Vaccines
D014436:Typhoid-Paratyphoid Vaccines
TYPHOID FEVER/epidemiology
Primi studi sulle endemie potenziate.  I.  Oscillazioni periodiche in un'endemia tifica.