title: More on data from teratogen information systems (TIS)
authors.forename: A
authors.initials: A
authors.lastname: Ornoy
authors.forename: P
authors.initials: P
authors.lastname: Mastroiacovo
mesh_terms: D015982:Bias; D016022:Case-Control Studies; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D018811:Maternal Exposure; D011446:Prospective Studies; D012107:Research Design; D018600:Teratology / Q000379:methods*