title: Placental weights in Down's syndrome.
mesh_terms: D001724:Birth Weight; D004314:Down Syndrome / Q000276:immunology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000276:immunology; D008297:Male; D008431:Maternal-Fetal Exchange; D009929:Organ Size; D010920:Placenta / Q000276:immunology*; D011247:Pregnancy; D014181:Transplantation Immunology