title: Associations and syndromes: terminology in clinical genetics and birth defects epidemiology: comments on Khoury, Moore, and Evans.
authors.forename: J M
authors.initials: JM
authors.lastname: Opitz
mesh_terms: D000015:Abnormalities, Multiple / Q000145:classification* / Q000196:embryology / Q000453:epidemiology; D001755:Blastocyst / Q000502:physiology; D005314:Embryonic and Fetal Development; D005260:Female; D030342:Genetic Diseases, Inborn / Q000145:classification*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011256:Pregnancy Outcome; D011254:Pregnancy in Diabetics; D013577:Syndrome; D009626:Terminology as Topic