title: [Incidence of trisomy 13 and 18 in the material of the cytogenetic laboratory in 1965-1975].
mesh_terms: D002901:Chromosomes, Human, 13-15; D002902:Chromosomes, Human, 16-18; D003582:Cytogenetics; D003604:Czechoslovakia; D006801:Humans; D007231:Infant, Newborn; D012189:Retrospective Studies; D012621:Seasons; D014314:Trisomy
vernacular_title: Výskyt syndromu 13 a 18 trisomie v materiálu cytogenetické laboratore v letech 1965-1975