title: Multi-marker testing for cancer: what can we learn from modern prenatal testing for Trisomy-21.
authors.affiliation: Wadsworth Center, New York State Department of Health, Empire State Plaza, Albany, NY 12201, USA. schneid@wadsworth.org
authors.forename: Erasmus
authors.initials: E
authors.lastname: Schneider
authors.forename: Gerald
authors.initials: G
authors.lastname: Mizejewski