title: Changing demography and variable expressivity in autosomal trisomy syndromes.
authors.forename: Jia-Woei
authors.initials: JW
authors.lastname: Hou
mesh_terms: D025063:Chromosome Disorders / Q000175:diagnosis* / Q000453:epidemiology / Q000235:genetics; D002882:Chromosomes, Human, Pair 13; D002887:Chromosomes, Human, Pair 18; D004314:Down Syndrome / Q000175:diagnosis / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011379:Prognosis; D012744:Sex Ratio; D013577:Syndrome; D014314:Trisomy