TY - GEN AU - Anusz,Z TI - [Diarrhea in infants up to 2 years of age--1987] SN - 0033-2100 PY - 1989///0920 KW - Age Factors KW - Diarrhea, Infantile KW - epidemiology KW - Humans KW - Infant KW - Poland KW - Seasons N1 - Publication Type: Comparative Study; Journal Article ER -