Screening for Down syndrome in the first trimester /
Grudzinskas, J. G.(Jurgis Gediminas)
Ward, R. H. T.(Richard Humphry Thomas)
Royal College of Obstetricians and Gynaecologists (Great Britain).Study Group32nd.
London : RCOG Press,
1997.
Papers and edited transcripts of discussions at the 32nd Royal College of Obstetricians and Gynaecologists Study Group
Includes bibliographies and index
Down syndrome
Prenatal diagnosis