title: [Letter: Sporadic cases and familial cases].
mesh_terms: D002648:Child; D005260:Female; D005602:France; D005799:Genes, Dominant; D005808:Genes, Recessive; D030342:Genetic Diseases, Inborn / Q000453:epidemiology*; D006801:Humans; D008297:Male; D011247:Pregnancy; D011336:Probability; D013223:Statistics as Topic
vernacular_title: Cas sporadiques et cas familiaux