title: E (17-18) trisomy syndrome in Singapore.
mesh_terms: D000293:Adolescent; D000328:Adult; D001722:Birth Order; D001724:Birth Weight; D002902:Chromosomes, Human, 16-18; D004314:Down Syndrome; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D008423:Maternal Age; D012846:Singapore; D014314:Trisomy