[Diarrhea in infants up to 2 years of age--1984].
D002675:Child, Preschool; D003968:Diarrhea, Infantile / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011044:Poland; D012621:Seasons
Biegunki do lat 2--1984 rok.