title: [Seriological studies on parainfluenzal infections of type 1 and 3 in Moldavia].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D008875:Middle Aged; D009976:Orthomyxoviridae Infections / Q000453:epidemiology* / Q000276:immunology*; D012383:Romania
vernacular_title: Cercetări serologice cu privire la infecţiile paragripale tip 1 şi 3 in Moldova.