[Incidence of intestinal parasites in school children in Pirota and the surrounding region from 1972 to 1976].
D002648:Child; D005260:Female; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology*; D008297:Male; D015022:Yugoslavia
Rasprostranjenost crevnih parazita u skolske dece Pirota i okolnih sela u 1972. i 1976. godini.