title: A unified birth defects research.
authors.affiliation: Procter & Gamble Company, Mason, Ohio.
authors.forename: George P
authors.initials: GP
authors.lastname: Daston
authors.affiliation: University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
authors.forename: Rocky S
authors.initials: RS
authors.lastname: Tuan
authors.affiliation: Hôpital Universitaire Necker-Enfants Malades, Paris, France.
authors.forename: Michel
authors.initials: M
authors.lastname: Vekemans