Prenatal diagnosis of Down's syndrome: use of the circus dwarf sign.
Puliyel
J M
JM
D001132:Arm / Q000002:abnormalities; D004314:Down Syndrome / Q000000981:diagnostic imaging*; D004392:Dwarfism / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal