Hills, Alison QF-PCR as a stand-alone test for prenatal samples: the first 2 years' experience in the London region. [electronic resource] - Prenatal diagnosis Jun 2010 - 509-17 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article ISSN: 1097-0223 Standard No.: 10.1002/pd.2503 doi Subjects--Topical Terms: AlgorithmsAneuploidyBlood Specimen Collection--standardsChromosome Disorders--diagnosisFalse Negative ReactionsFemaleHumansKaryotyping--methodsLondon--epidemiologyPolymerase Chain Reaction--methodsPregnancyPrenatal Diagnosis--methodsResearch DesignRetrospective Studies