Citation: B. Hook, Ernest et K. Cross, Philip, Maternal cigarette smoking, down syndrome in live births, and infant race, American journal of human genetics , 42(3), 1988, pp. 482-489
Authors:
Hook, Ernest B.
Cross, Philip K.
Jackson, Laird
Pergament, Eugene
Brambati, Bruno
Citation: B. Hook, Ernest et al., Maternal age-specific rates of 47, + 21 and other cytogenetic abnormalities diagnosed in the first trimester of pregnancy in chorionic villus biopsy specimens: comparison with rates expected from observations at amniocentesis, American journal of human genetics , 42(6), 1988, pp. 797-807
Authors:
Hook, Ernest B.
Topol, Barbara B.
Cross, Philip K.
Citation: B. Hook, Ernest et al., The natural history of cytogenetically abnormal fetuses detected at midtrimester amniocentesis which are not terminated electively: new data and estimates of the excess and relative risk of late fetal death associated with 47, +21 and some other abnormal karyotypes, American journal of human genetics , 45-II(6), 1989, pp. 855-861