1. The safety and efficacy of chorionic villus sampling for early prenatal diagnosis of cytogenetic abnormalities;Rhoads, G.; G, Jackson L.; Schlesselman, S.;New England journal of medicine,1989
2. Mosaicism in chorionic villus sampling: an association with poor perinatal outcome;Johnson, A.; J, Wapner R.; H, Davis G.; G, Jackson L.;Obstetrics and gynecology,1990
3. Genetic diagnosis in the first trimester: the norm for the 1 990s;I, Evans M.; A, Drugan; C, Koppitch F.; E, Zador I.; J, Sacks A.; J, Sokol R.;American journal of obstetrics and gynecology,1989
4. European trial of chorionic villus sampling;Council, Medical Research;Lancet,1991
5. Canadian Collaborative CVS-Amniocentesis Clinical Trial Group. Multirandomised clinical trial of chorion villus sampling and amniocentesis;Lancet,1989