TY - GEN AU - Koukalová,D AU - Podivínská,I TI - More attention to meningococci SN - 0301-2514 PY - 1989///0526 KW - Humans KW - Neisseria KW - isolation & purification KW - Neisseria meningitidis KW - Saliva KW - microbiology N1 - Publication Type: Journal Article ER -