TY - GEN AU - Bozović,M TI - [Retrospective study of the incidence of diphteria in Beograd (1964-1965)] SN - 0370-8179 PY - 1967///0426 KW - Diphtheria KW - epidemiology KW - Humans KW - Retrospective Studies KW - Yugoslavia N1 - Publication Type: Journal Article ER -