[SOME EPIDEMIOLOGICAL PECULIARITIES OF INFECTIONS IN CHILDREN IN THE KALUGA REGION. IV. ON THE PERIODICITY OF INFECTIONS IN CHILDREN].
D002353:Carrier State; D002648:Child; D004165:Diphtheria; D006801:Humans; D008457:Measles; D010507:Periodicity; D012541:Scarlet Fever; D013223:Statistics as Topic; D014586:USSR; D014611:Vaccination; D014887:Weather; D014917:Whooping Cough
CARRIER STATE; CHILD; DIPHTHERIA; MEASLES; PERIODICITY; SCARLET FEVER; STATISTICS; USSR; VACCINATION; WEATHER; WHOOPING COUGH
NEKOTORYE 'EPIDEMIOLOGICHESKIE OSOBENNOSTI DETSKIKH INFEKTSI I V KALUZHSKO I OBLASTI. IV. O PERIODICHNOSTI DETSKIKH INFEKTSI I.