[Diarrhea in children under 2 years of age--1983].
D003968:Diarrhea, Infantile / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011044:Poland; D012621:Seasons
Biegunki u dzieci do lat 2--1983 rok.