title: [Diarrhea in infants under 2 years - 1981].
mesh_terms: D003968:Diarrhea, Infantile / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D007223:Infant; D011044:Poland; D012621:Seasons
vernacular_title: Biegunki u dzieci do lat 2 - 1981 rok.