title: Aging gametes in relation to incidence, gender, and twinning in Down syndrome.
authors.forename: P H
authors.initials: PH
authors.lastname: Jongbloet
mesh_terms: D016922:Cellular Senescence; D004314:Down Syndrome / Q000209:etiology*; D005260:Female; D006801:Humans; D007557:Israel; D007585:Jews; D008297:Male; D010063:Ovum; D013094:Spermatozoa; D014427:Twins