title: [Sex ratio and advantage of heterozygote in cystic fibrosis].
mesh_terms: D003550:Cystic Fibrosis / Q000235:genetics*; D005260:Female; D006579:Heterozygote; D006801:Humans; D008297:Male; D012737:Sex Factors; D012744:Sex Ratio
vernacular_title: Sex ratio e vantaggio dell'eterozigote nella fibrosi cistica.