title: [Meningoencephalitis - 1981. 1. Incidence].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001102:Arbovirus Infections / Q000453:epidemiology* / Q000401:mortality; D002648:Child; D002675:Child, Preschool; D004769:Enterovirus Infections / Q000453:epidemiology* / Q000401:mortality; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000401:mortality; D008590:Meningoencephalitis / Q000453:epidemiology* / Q000401:mortality; D008875:Middle Aged; D011044:Poland; D012424:Rural Population; D012621:Seasons; D012737:Sex Factors; D014505:Urban Population
vernacular_title: Zapalenie opon mózgowo-rdzeniowych i zapalenie mózgu - 1981 rok. 1. Zachorowania i zapadalność.