title: Randomised comparison of amniocentesis and transabdominal and cervical chorionic villus sampling: duplicate publication.
authors.forename: S
authors.initials: S
authors.lastname: Campbell
mesh_terms: D000649:Amniocentesis / Q000592:standards*; D015193:Chorionic Villi Sampling / Q000592:standards*; D015713:Duplicate Publications as Topic; D005260:Female; D006801:Humans; D011247:Pregnancy