Authors: J E Haddow; G E Palomaki; G J Knight; J Williams; A Pulkkinen; J A Canick; D N Saller; G B Bowers Journal: N Engl J Med Date: 1992-08-27 Impact factor: 91.245
Authors: H Cuckle; N Wald; J D Stevenson; H M May; M A Ferguson-Smith; A M Ward; H M Barbour; K M Laurence; B Norgaard-Pedersen Journal: Prenat Diagn Date: 1990-02 Impact factor: 3.050