title: [Report on the etiology of virus diseases. 2nd quarter 1968. 4].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D005860:Germany, West; D006801:Humans; D007223:Infant; D008875:Middle Aged; D012621:Seasons; D014777:Virus Diseases / Q000453:epidemiology / Q000209:etiology*; D014780:Viruses / Q000302:isolation & purification*
vernacular_title: Bericht über die ätiologie der Viruskrankheiten. 2. Quartal 1968. 4.